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_e3_1666_e5_1558.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:22:11,163 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:22:11,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:22:11,176 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:22:11,177 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:22:11,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:22:11,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:22:11,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:22:11,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:22:11,183 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:22:11,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:22:11,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:22:11,184 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:22:11,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:22:11,186 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:22:11,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:22:11,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:22:11,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:22:11,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:22:11,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:22:11,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:22:11,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:22:11,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:22:11,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:22:11,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:22:11,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:22:11,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:22:11,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:22:11,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:22:11,203 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:22:11,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:22:11,204 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:22:11,204 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:22:11,205 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:22:11,206 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:22:11,206 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 20:22:11,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:22:11,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:22:11,221 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:22:11,221 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:22:11,222 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:22:11,222 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:22:11,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:22:11,223 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:22:11,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:22:11,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:22:11,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:22:11,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:22:11,224 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:22:11,225 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:22:11,225 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:22:11,225 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:22:11,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:22:11,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:22:11,226 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:22:11,228 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:22:11,228 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:22:11,270 INFO ]: Repository-Root is: /tmp [2018-06-22 20:22:11,286 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:22:11,292 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:22:11,294 INFO ]: Initializing SmtParser... [2018-06-22 20:22:11,294 INFO ]: SmtParser initialized [2018-06-22 20:22:11,295 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e3_1666_e5_1558.smt2 [2018-06-22 20:22:11,296 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 20:22:11,388 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e3_1666_e5_1558.smt2 unknown [2018-06-22 20:22:11,741 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e3_1666_e5_1558.smt2 [2018-06-22 20:22:11,747 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:22:11,753 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:22:11,754 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:22:11,754 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:22:11,754 INFO ]: ChcToBoogie initialized [2018-06-22 20:22:11,757 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,807 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11 Unit [2018-06-22 20:22:11,807 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:22:11,808 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:22:11,808 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:22:11,808 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:22:11,829 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,829 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,847 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,847 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,861 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,863 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,864 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (1/1) ... [2018-06-22 20:22:11,867 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:22:11,867 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:22:11,867 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:22:11,867 INFO ]: RCFGBuilder initialized [2018-06-22 20:22:11,868 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (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 20:22:11,887 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:22:11,888 INFO ]: Found specification of procedure False [2018-06-22 20:22:11,888 INFO ]: Found implementation of procedure False [2018-06-22 20:22:11,888 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:22:11,888 INFO ]: Found specification of procedure state [2018-06-22 20:22:11,888 INFO ]: Found implementation of procedure state [2018-06-22 20:22:11,888 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:22:11,888 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:22:11,888 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 20:22:12,287 INFO ]: Using library mode [2018-06-22 20:22:12,288 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:22:12 BoogieIcfgContainer [2018-06-22 20:22:12,288 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:22:12,289 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:22:12,289 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:22:12,292 INFO ]: TraceAbstraction initialized [2018-06-22 20:22:12,292 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:22:11" (1/3) ... [2018-06-22 20:22:12,293 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658296a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:22:12, skipping insertion in model container [2018-06-22 20:22:12,293 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:22:11" (2/3) ... [2018-06-22 20:22:12,293 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658296a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:22:12, skipping insertion in model container [2018-06-22 20:22:12,294 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:22:12" (3/3) ... [2018-06-22 20:22:12,295 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:22:12,304 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:22:12,316 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:22:12,358 INFO ]: Using default assertion order modulation [2018-06-22 20:22:12,358 INFO ]: Interprodecural is true [2018-06-22 20:22:12,358 INFO ]: Hoare is false [2018-06-22 20:22:12,358 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:22:12,358 INFO ]: Backedges is TWOTRACK [2018-06-22 20:22:12,358 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:22:12,358 INFO ]: Difference is false [2018-06-22 20:22:12,358 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:22:12,358 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:22:12,371 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:22:12,386 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:22:12,387 INFO ]: Found error trace [2018-06-22 20:22:12,387 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:22:12,388 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:22:12,393 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:22:12,395 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:22:12,396 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:22:12,433 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:22:12,433 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:22:12,433 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:22:12,512 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:22:12,706 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:22:12,709 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:22:12,709 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:22:12,711 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:22:12,721 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:22:12,721 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:22:12,723 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:22:12,806 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:22:12,806 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:22:12,807 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:22:12,808 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:22:12,808 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:22:12,823 INFO ]: With dead ends: 13 [2018-06-22 20:22:12,823 INFO ]: Without dead ends: 13 [2018-06-22 20:22:12,825 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 20:22:12,840 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:22:12,859 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:22:12,860 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:22:12,861 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:22:12,862 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:22:12,862 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:22:12,862 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:22:12,862 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:22:12,862 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:22:12,864 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:22:12,864 INFO ]: Found error trace [2018-06-22 20:22:12,864 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:22:12,864 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:22:12,864 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:22:12,864 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:22:12,864 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:22:12,865 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:22:12,865 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:22:12,865 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:22:12,936 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:22:14,018 WARN ]: Spent 881.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2018-06-22 20:22:14,175 WARN ]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-06-22 20:22:14,197 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:22:14,197 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:22:14,197 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 20:22:14,204 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:22:14,285 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:22:14,300 INFO ]: Computing forward predicates... [2018-06-22 20:22:14,530 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:22:15,516 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:22:16,334 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:22:16,384 WARN ]: Simplifying disjunction of 5760 conjuctions. This might take some time... [2018-06-22 20:22:17,833 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:22:17,844 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:22:17,953 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 20:22:23,878 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 20:22:23,910 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:22:24,040 WARN ]: Simplifying disjunction of 7776 conjuctions. This might take some time... [2018-06-22 20:22:32,878 INFO ]: Simplified to disjunction of 7776 conjuctions. [2018-06-22 20:22:32,904 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:22:32,960 WARN ]: Simplifying disjunction of 5760 conjuctions. This might take some time... [2018-06-22 20:22:34,032 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:22:34,045 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:22:34,367 WARN ]: Simplifying disjunction of 46656 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:23:33,706 INFO ]: Timeout while computing interpolants [2018-06-22 20:23:33,906 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:23:33,907 WARN ]: Verification canceled [2018-06-22 20:23:33,911 WARN ]: Timeout [2018-06-22 20:23:33,912 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:23:33 BoogieIcfgContainer [2018-06-22 20:23:33,912 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:23:33,913 INFO ]: Toolchain (without parser) took 82166.00 ms. Allocated memory was 309.3 MB in the beginning and 429.4 MB in the end (delta: 120.1 MB). Free memory was 255.7 MB in the beginning and 195.2 MB in the end (delta: 60.5 MB). Peak memory consumption was 181.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:23:33,914 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:23:33,914 INFO ]: ChcToBoogie took 54.34 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:23:33,915 INFO ]: Boogie Preprocessor took 58.55 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:23:33,916 INFO ]: RCFGBuilder took 420.28 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 233.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:23:33,917 INFO ]: TraceAbstraction took 81623.04 ms. Allocated memory was 309.3 MB in the beginning and 429.4 MB in the end (delta: 120.1 MB). Free memory was 233.8 MB in the beginning and 195.2 MB in the end (delta: 38.6 MB). Peak memory consumption was 159.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:23:33,921 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 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.34 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.55 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 420.28 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 233.8 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 81623.04 ms. Allocated memory was 309.3 MB in the beginning and 429.4 MB in the end (delta: 120.1 MB). Free memory was 233.8 MB in the beginning and 195.2 MB in the end (delta: 38.6 MB). Peak memory consumption was 159.9 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 46656 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 81.5s 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, 0.0s 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_e3_1666_e5_1558.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-23-33-932.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_6_e3_1666_e5_1558.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-23-33-932.csv Completed graceful shutdown