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/SYNAPSE_6.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:23:36,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:23:36,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:23:36,957 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:23:36,957 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:23:36,958 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:23:36,959 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:23:36,961 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:23:36,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:23:36,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:23:36,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:23:36,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:23:36,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:23:36,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:23:36,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:23:36,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:23:36,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:23:36,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:23:36,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:23:36,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:23:36,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:23:36,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:23:36,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:23:36,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:23:36,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:23:36,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:23:36,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:23:36,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:23:36,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:23:36,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:23:36,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:23:36,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:23:36,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:23:36,989 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:23:36,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:23:36,990 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 20:23:37,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:23:37,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:23:37,005 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:23:37,005 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:23:37,006 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:23:37,006 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:23:37,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:23:37,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:23:37,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:23:37,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:23:37,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:23:37,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:23:37,008 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:23:37,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:23:37,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:23:37,009 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:23:37,009 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:23:37,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:23:37,009 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:23:37,011 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:23:37,011 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:23:37,060 INFO ]: Repository-Root is: /tmp [2018-06-22 20:23:37,077 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:23:37,084 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:23:37,085 INFO ]: Initializing SmtParser... [2018-06-22 20:23:37,086 INFO ]: SmtParser initialized [2018-06-22 20:23:37,086 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6.smt2 [2018-06-22 20:23:37,088 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 20:23:37,188 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6.smt2 unknown [2018-06-22 20:23:37,566 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6.smt2 [2018-06-22 20:23:37,571 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:23:37,578 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:23:37,578 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:23:37,578 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:23:37,578 INFO ]: ChcToBoogie initialized [2018-06-22 20:23:37,583 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,642 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37 Unit [2018-06-22 20:23:37,642 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:23:37,644 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:23:37,644 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:23:37,644 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:23:37,668 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,669 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,685 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,685 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,701 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,703 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,705 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (1/1) ... [2018-06-22 20:23:37,716 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:23:37,717 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:23:37,717 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:23:37,717 INFO ]: RCFGBuilder initialized [2018-06-22 20:23:37,718 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (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 20:23:37,730 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:23:37,730 INFO ]: Found specification of procedure False [2018-06-22 20:23:37,730 INFO ]: Found implementation of procedure False [2018-06-22 20:23:37,730 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:23:37,730 INFO ]: Found specification of procedure state [2018-06-22 20:23:37,730 INFO ]: Found implementation of procedure state [2018-06-22 20:23:37,730 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:23:37,730 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:23:37,730 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 20:23:38,056 INFO ]: Using library mode [2018-06-22 20:23:38,056 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:23:38 BoogieIcfgContainer [2018-06-22 20:23:38,056 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:23:38,058 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:23:38,058 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:23:38,074 INFO ]: TraceAbstraction initialized [2018-06-22 20:23:38,075 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:23:37" (1/3) ... [2018-06-22 20:23:38,075 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225424e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:23:38, skipping insertion in model container [2018-06-22 20:23:38,076 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:23:37" (2/3) ... [2018-06-22 20:23:38,076 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225424e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:23:38, skipping insertion in model container [2018-06-22 20:23:38,076 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:23:38" (3/3) ... [2018-06-22 20:23:38,079 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:23:38,089 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:23:38,097 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:23:38,138 INFO ]: Using default assertion order modulation [2018-06-22 20:23:38,139 INFO ]: Interprodecural is true [2018-06-22 20:23:38,139 INFO ]: Hoare is false [2018-06-22 20:23:38,139 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:23:38,139 INFO ]: Backedges is TWOTRACK [2018-06-22 20:23:38,139 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:23:38,139 INFO ]: Difference is false [2018-06-22 20:23:38,139 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:23:38,139 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:23:38,152 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:23:38,162 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:23:38,163 INFO ]: Found error trace [2018-06-22 20:23:38,163 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:23:38,163 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:23:38,167 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:23:38,169 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:23:38,169 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:23:38,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:23:38,204 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:23:38,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:23:38,283 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:23:38,479 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:23:38,480 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:23:38,481 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:23:38,482 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:23:38,493 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:23:38,493 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:23:38,495 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:23:38,623 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:23:38,623 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:23:38,624 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:23:38,625 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:23:38,626 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:23:38,637 INFO ]: With dead ends: 13 [2018-06-22 20:23:38,637 INFO ]: Without dead ends: 13 [2018-06-22 20:23:38,638 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:23:38,657 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:23:38,681 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:23:38,682 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:23:38,682 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:23:38,683 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:23:38,684 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:23:38,684 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:23:38,684 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:23:38,684 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:23:38,685 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:23:38,685 INFO ]: Found error trace [2018-06-22 20:23:38,685 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:23:38,685 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:23:38,685 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:23:38,685 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:23:38,685 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:23:38,686 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:23:38,686 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:23:38,686 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:23:38,757 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:23:39,901 WARN ]: Spent 903.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2018-06-22 20:23:40,073 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:23:40,073 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:23:40,074 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 20:23:40,082 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:23:40,163 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:23:40,178 INFO ]: Computing forward predicates... [2018-06-22 20:23:40,943 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:23:40,984 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:41,271 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:23:41,449 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:41,565 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:41,632 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... [2018-06-22 20:23:51,225 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-22 20:23:51,290 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:23:51,369 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... [2018-06-22 20:23:53,885 INFO ]: Simplified to disjunction of 3456 conjuctions. [2018-06-22 20:23:53,899 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:23:53,915 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:23:53,943 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:23:53,998 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:54,217 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:54,265 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:23:54,316 WARN ]: Simplifying disjunction of 6912 conjuctions. This might take some time... [2018-06-22 20:24:03,390 INFO ]: Simplified to disjunction of 6912 conjuctions. [2018-06-22 20:24:03,409 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:24:03,636 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:24:03,672 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:24:03,680 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:24:03,716 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:24:04,373 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:24:04,393 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:24:05,132 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:24:05,233 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:24:05,241 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:24:05,307 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:24:05,405 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:24:05,983 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:24:06,081 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:24:06,085 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:24:06,118 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:24:06,149 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:24:07,233 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:24:07,244 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:24:07,254 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:24:07,612 WARN ]: Simplifying disjunction of 34992 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:24:58,164 INFO ]: Timeout while computing interpolants [2018-06-22 20:24:58,365 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:24:58,365 WARN ]: Verification canceled [2018-06-22 20:24:58,369 WARN ]: Timeout [2018-06-22 20:24:58,369 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:24:58 BoogieIcfgContainer [2018-06-22 20:24:58,369 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:24:58,370 INFO ]: Toolchain (without parser) took 80798.22 ms. Allocated memory was 308.8 MB in the beginning and 458.8 MB in the end (delta: 149.9 MB). Free memory was 253.2 MB in the beginning and 386.7 MB in the end (delta: -133.5 MB). Peak memory consumption was 202.8 MB. Max. memory is 3.6 GB. [2018-06-22 20:24:58,371 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:24:58,371 INFO ]: ChcToBoogie took 64.74 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:24:58,372 INFO ]: Boogie Preprocessor took 72.94 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 249.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:24:58,373 INFO ]: RCFGBuilder took 339.44 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 232.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:24:58,373 INFO ]: TraceAbstraction took 80311.11 ms. Allocated memory was 308.8 MB in the beginning and 458.8 MB in the end (delta: 149.9 MB). Free memory was 232.2 MB in the beginning and 386.7 MB in the end (delta: -154.5 MB). Peak memory consumption was 181.8 MB. Max. memory is 3.6 GB. [2018-06-22 20:24:58,380 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.74 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.94 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 249.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 339.44 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 232.2 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 80311.11 ms. Allocated memory was 308.8 MB in the beginning and 458.8 MB in the end (delta: 149.9 MB). Free memory was 232.2 MB in the beginning and 386.7 MB in the end (delta: -154.5 MB). Peak memory consumption was 181.8 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 34992 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 80.2s 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, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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/SYNAPSE_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-24-58-402.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_6.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-24-58-402.csv Completed graceful shutdown