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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:13:10,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:13:10,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:13:10,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:13:10,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:13:10,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:13:10,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:13:10,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:13:10,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:13:10,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:13:10,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:13:10,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:13:10,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:13:10,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:13:10,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:13:10,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:13:10,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:13:10,228 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:13:10,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:13:10,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:13:10,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:13:10,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:13:10,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:13:10,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:13:10,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:13:10,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:13:10,241 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:13:10,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:13:10,243 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:13:10,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:13:10,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:13:10,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:13:10,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:13:10,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:13:10,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:13:10,246 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:13:10,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:13:10,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:13:10,267 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:13:10,268 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:13:10,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:13:10,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:13:10,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:13:10,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:13:10,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:13:10,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:13:10,270 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:13:10,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:13:10,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:13:10,271 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:13:10,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:13:10,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:13:10,271 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:13:10,273 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:13:10,273 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:13:10,331 INFO ]: Repository-Root is: /tmp [2018-06-22 07:13:10,349 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:13:10,355 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:13:10,356 INFO ]: Initializing SmtParser... [2018-06-22 07:13:10,356 INFO ]: SmtParser initialized [2018-06-22 07:13:10,357 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 [2018-06-22 07:13:10,358 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 07:13:10,451 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 unknown [2018-06-22 07:13:11,258 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/DRAGON_9_e7_1843_e2_1145.smt2 [2018-06-22 07:13:11,263 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:13:11,269 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:13:11,269 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:13:11,269 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:13:11,269 INFO ]: ChcToBoogie initialized [2018-06-22 07:13:11,276 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,382 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11 Unit [2018-06-22 07:13:11,382 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:13:11,386 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:13:11,387 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:13:11,387 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:13:11,402 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,402 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,416 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,417 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,429 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,431 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,436 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (1/1) ... [2018-06-22 07:13:11,442 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:13:11,443 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:13:11,443 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:13:11,443 INFO ]: RCFGBuilder initialized [2018-06-22 07:13:11,444 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (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 07:13:11,455 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:13:11,455 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:13:11,455 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:13:11,455 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:13:11,455 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:13:11,455 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 07:13:12,054 INFO ]: Using library mode [2018-06-22 07:13:12,054 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:13:12 BoogieIcfgContainer [2018-06-22 07:13:12,054 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:13:12,056 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:13:12,056 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:13:12,064 INFO ]: TraceAbstraction initialized [2018-06-22 07:13:12,064 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:13:11" (1/3) ... [2018-06-22 07:13:12,065 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc44fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:13:12, skipping insertion in model container [2018-06-22 07:13:12,065 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:13:11" (2/3) ... [2018-06-22 07:13:12,065 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc44fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:13:12, skipping insertion in model container [2018-06-22 07:13:12,065 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:13:12" (3/3) ... [2018-06-22 07:13:12,067 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:13:12,078 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:13:12,089 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:13:12,142 INFO ]: Using default assertion order modulation [2018-06-22 07:13:12,143 INFO ]: Interprodecural is true [2018-06-22 07:13:12,143 INFO ]: Hoare is false [2018-06-22 07:13:12,143 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:13:12,143 INFO ]: Backedges is TWOTRACK [2018-06-22 07:13:12,143 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:13:12,143 INFO ]: Difference is false [2018-06-22 07:13:12,143 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:13:12,143 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:13:12,160 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:13:12,172 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:13:12,172 INFO ]: Found error trace [2018-06-22 07:13:12,173 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:13:12,173 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:13:12,182 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 07:13:12,185 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:13:12,185 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:13:12,235 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:13:12,235 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:13:12,235 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:13:12,405 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:13:12,602 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:13:12,604 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:13:12,604 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:13:12,605 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:13:12,617 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:13:12,617 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:13:12,619 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:13:12,718 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:13:12,718 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:13:12,719 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:13:12,721 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:13:12,721 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:13:12,730 INFO ]: With dead ends: 9 [2018-06-22 07:13:12,730 INFO ]: Without dead ends: 9 [2018-06-22 07:13:12,732 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:13:12,750 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:13:12,767 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:13:12,768 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:13:12,768 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:13:12,770 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:13:12,770 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:13:12,770 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:13:12,770 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:13:12,770 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:13:12,770 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:13:12,770 INFO ]: Found error trace [2018-06-22 07:13:12,770 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:13:12,770 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:13:12,771 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 07:13:12,771 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:13:12,771 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:13:12,776 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:13:12,776 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:13:12,776 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:13:12,898 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:13:13,360 WARN ]: Spent 150.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-06-22 07:13:13,361 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:13:13,361 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:13:13,361 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 07:13:13,374 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:13:13,664 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:13:13,682 INFO ]: Computing forward predicates... [2018-06-22 07:13:17,659 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:17,682 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:17,784 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:13:17,801 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:13:17,812 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:17,814 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:17,836 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:13:17,853 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:17,867 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:17,889 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:13:19,045 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:19,055 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:19,059 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:19,065 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:19,478 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:19,484 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:19,516 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:19,547 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:19,548 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:13:19,594 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:19,640 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:19,834 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:13:20,335 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:20,340 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:20,342 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:13:20,866 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:20,869 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:20,877 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:20,878 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:20,988 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:21,106 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:21,121 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:21,138 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 07:13:21,158 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:21,177 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:21,423 WARN ]: Simplifying disjunction of 13026 conjuctions. This might take some time... [2018-06-22 07:13:32,952 INFO ]: Simplified to disjunction of 13026 conjuctions. [2018-06-22 07:13:33,082 WARN ]: Simplifying disjunction of 13233 conjuctions. This might take some time... [2018-06-22 07:13:44,669 INFO ]: Simplified to disjunction of 13233 conjuctions. [2018-06-22 07:13:44,741 WARN ]: expecting exponential blowup for input size 16 [2018-06-22 07:13:44,784 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 07:13:50,117 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 07:13:50,146 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:13:50,179 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:13:50,197 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:13:50,236 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:50,246 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 07:13:50,264 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:50,337 WARN ]: Simplifying disjunction of 5854 conjuctions. This might take some time... [2018-06-22 07:13:53,877 INFO ]: Simplified to disjunction of 5854 conjuctions. [2018-06-22 07:13:53,908 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:53,938 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:53,948 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 07:13:54,002 WARN ]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2018-06-22 07:13:58,583 INFO ]: Simplified to disjunction of 5832 conjuctions. [2018-06-22 07:13:58,628 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:58,680 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:58,692 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:58,742 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:59,718 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:13:59,721 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 07:13:59,725 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 07:13:59,730 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 07:13:59,758 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:59,761 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:59,768 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:59,770 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:59,780 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:59,781 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 07:13:59,783 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 07:13:59,785 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 07:13:59,802 WARN ]: Simplifying disjunction of 9234 conjuctions. This might take some time... [2018-06-22 07:14:04,512 INFO ]: Simplified to disjunction of 9234 conjuctions. [2018-06-22 07:14:04,597 WARN ]: Simplifying disjunction of 18753 conjuctions. This might take some time... Received shutdown request... [2018-06-22 07:14:26,632 INFO ]: Timeout while computing interpolants [2018-06-22 07:14:26,834 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:14:26,834 WARN ]: Verification canceled [2018-06-22 07:14:26,846 WARN ]: Timeout [2018-06-22 07:14:26,846 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:14:26 BoogieIcfgContainer [2018-06-22 07:14:26,846 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:14:26,847 INFO ]: Toolchain (without parser) took 75583.16 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.1 MB in the beginning and 711.0 MB in the end (delta: -481.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:14:26,847 INFO ]: SmtParser took 0.09 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. [2018-06-22 07:14:26,848 INFO ]: ChcToBoogie took 116.90 ms. Allocated memory is still 305.7 MB. Free memory was 229.1 MB in the beginning and 225.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:14:26,848 INFO ]: Boogie Preprocessor took 55.99 ms. Allocated memory is still 305.7 MB. Free memory was 225.2 MB in the beginning and 223.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:14:26,848 INFO ]: RCFGBuilder took 611.46 ms. Allocated memory was 305.7 MB in the beginning and 324.0 MB in the end (delta: 18.4 MB). Free memory was 223.2 MB in the beginning and 272.4 MB in the end (delta: -49.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. [2018-06-22 07:14:26,849 INFO ]: TraceAbstraction took 74790.02 ms. Allocated memory was 324.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 272.4 MB in the beginning and 711.0 MB in the end (delta: -438.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:14:26,851 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 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 116.90 ms. Allocated memory is still 305.7 MB. Free memory was 229.1 MB in the beginning and 225.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.99 ms. Allocated memory is still 305.7 MB. Free memory was 225.2 MB in the beginning and 223.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 611.46 ms. Allocated memory was 305.7 MB in the beginning and 324.0 MB in the end (delta: 18.4 MB). Free memory was 223.2 MB in the beginning and 272.4 MB in the end (delta: -49.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74790.02 ms. Allocated memory was 324.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 272.4 MB in the beginning and 711.0 MB in the end (delta: -438.7 MB). 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 18753 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 74.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e2_1145.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-14-26-871.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/DRAGON_9_e7_1843_e2_1145.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-14-26-871.csv Completed graceful shutdown