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_123_e8_953_e7_1465.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:06:04,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:06:04,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:06:04,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:06:04,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:06:04,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:06:04,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:06:04,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:06:04,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:06:04,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:06:04,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:06:04,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:06:04,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:06:04,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:06:04,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:06:04,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:06:04,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:06:04,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:06:04,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:06:04,342 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:06:04,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:06:04,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:06:04,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:06:04,352 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:06:04,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:06:04,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:06:04,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:06:04,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:06:04,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:06:04,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:06:04,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:06:04,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:06:04,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:06:04,365 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:06:04,366 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:06:04,366 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 20:06:04,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:06:04,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:06:04,391 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:06:04,392 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:06:04,393 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:06:04,394 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:06:04,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:06:04,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:06:04,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:06:04,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:06:04,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:06:04,395 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:06:04,395 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:06:04,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:06:04,395 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:06:04,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:06:04,396 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:06:04,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:06:04,396 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:06:04,398 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:06:04,398 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:06:04,447 INFO ]: Repository-Root is: /tmp [2018-06-22 20:06:04,462 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:06:04,467 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:06:04,468 INFO ]: Initializing SmtParser... [2018-06-22 20:06:04,469 INFO ]: SmtParser initialized [2018-06-22 20:06:04,469 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e7_1465.smt2 [2018-06-22 20:06:04,471 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 20:06:04,558 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e7_1465.smt2 unknown [2018-06-22 20:06:04,973 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e7_1465.smt2 [2018-06-22 20:06:04,986 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:06:04,997 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:06:04,997 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:06:04,997 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:06:04,997 INFO ]: ChcToBoogie initialized [2018-06-22 20:06:05,001 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:06:04" (1/1) ... [2018-06-22 20:06:05,062 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05 Unit [2018-06-22 20:06:05,062 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:06:05,063 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:06:05,063 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:06:05,063 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:06:05,085 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,086 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,097 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,097 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,113 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,114 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,115 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (1/1) ... [2018-06-22 20:06:05,118 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:06:05,118 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:06:05,118 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:06:05,118 INFO ]: RCFGBuilder initialized [2018-06-22 20:06:05,119 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:06:05,130 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:06:05,130 INFO ]: Found specification of procedure False [2018-06-22 20:06:05,130 INFO ]: Found implementation of procedure False [2018-06-22 20:06:05,130 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:06:05,130 INFO ]: Found specification of procedure state [2018-06-22 20:06:05,130 INFO ]: Found implementation of procedure state [2018-06-22 20:06:05,130 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:06:05,130 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:06:05,130 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 20:06:05,523 INFO ]: Using library mode [2018-06-22 20:06:05,523 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:06:05 BoogieIcfgContainer [2018-06-22 20:06:05,523 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:06:05,525 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:06:05,525 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:06:05,528 INFO ]: TraceAbstraction initialized [2018-06-22 20:06:05,528 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:06:04" (1/3) ... [2018-06-22 20:06:05,529 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ef7d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:06:05, skipping insertion in model container [2018-06-22 20:06:05,529 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:06:05" (2/3) ... [2018-06-22 20:06:05,529 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ef7d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:06:05, skipping insertion in model container [2018-06-22 20:06:05,529 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:06:05" (3/3) ... [2018-06-22 20:06:05,531 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:06:05,540 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:06:05,549 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:06:05,598 INFO ]: Using default assertion order modulation [2018-06-22 20:06:05,599 INFO ]: Interprodecural is true [2018-06-22 20:06:05,599 INFO ]: Hoare is false [2018-06-22 20:06:05,599 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:06:05,599 INFO ]: Backedges is TWOTRACK [2018-06-22 20:06:05,599 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:06:05,599 INFO ]: Difference is false [2018-06-22 20:06:05,599 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:06:05,599 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:06:05,616 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:06:05,629 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:06:05,629 INFO ]: Found error trace [2018-06-22 20:06:05,630 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:06:05,630 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:06:05,635 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 20:06:05,637 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:06:05,637 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:06:05,684 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:06:05,684 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:06:05,684 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:06:05,764 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:06:06,132 WARN ]: Spent 212.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 10 [2018-06-22 20:06:06,136 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:06:06,139 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:06:06,139 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:06:06,141 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:06:06,156 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:06:06,157 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:06:06,160 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:06:06,289 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:06:06,289 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:06:06,290 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:06:06,292 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:06:06,292 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:06:06,307 INFO ]: With dead ends: 13 [2018-06-22 20:06:06,307 INFO ]: Without dead ends: 13 [2018-06-22 20:06:06,311 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:06:06,328 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:06:06,357 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:06:06,358 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:06:06,359 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:06:06,360 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:06:06,361 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:06:06,361 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:06:06,361 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:06:06,361 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:06:06,362 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:06:06,362 INFO ]: Found error trace [2018-06-22 20:06:06,362 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:06:06,362 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:06:06,362 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 20:06:06,362 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:06:06,362 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:06:06,363 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:06:06,363 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:06:06,363 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:06:06,484 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:06:09,312 WARN ]: Spent 2.30 s on a formula simplification. DAG size of input: 242 DAG size of output: 80 [2018-06-22 20:06:09,542 WARN ]: Spent 115.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 4 [2018-06-22 20:06:09,544 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:06:09,544 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:06:09,544 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 20:06:09,559 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:06:09,630 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:06:09,642 INFO ]: Computing forward predicates... [2018-06-22 20:07:03,936 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:07:03,937 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:07:03,939 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:07:03,942 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:07:04,531 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:07:05,355 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:07:05,457 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:07:08,349 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:07:08,367 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:07:08,645 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:07:09,462 WARN ]: expecting exponential blowup for input size 13 Received shutdown request... [2018-06-22 20:07:09,474 INFO ]: Timeout while computing interpolants [2018-06-22 20:07:09,675 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:07:09,675 WARN ]: Verification canceled [2018-06-22 20:07:09,680 WARN ]: Timeout [2018-06-22 20:07:09,680 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:07:09 BoogieIcfgContainer [2018-06-22 20:07:09,680 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:07:09,681 INFO ]: Toolchain (without parser) took 64694.59 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 254.2 MB in the beginning and 1.1 GB in the end (delta: -835.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 20:07:09,682 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:07:09,682 INFO ]: ChcToBoogie took 65.27 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 20:07:09,683 INFO ]: Boogie Preprocessor took 54.94 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 250.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:07:09,691 INFO ]: RCFGBuilder took 405.22 ms. Allocated memory is still 308.8 MB. Free memory was 250.1 MB in the beginning and 231.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:07:09,692 INFO ]: TraceAbstraction took 64155.23 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 231.1 MB in the beginning and 1.1 GB in the end (delta: -858.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 20:07:09,694 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 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 65.27 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 54.94 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 250.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 405.22 ms. Allocated memory is still 308.8 MB. Free memory was 250.1 MB in the beginning and 231.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 64155.23 ms. Allocated memory was 308.8 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 231.1 MB in the beginning and 1.1 GB in the end (delta: -858.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 13 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 64.0s 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, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 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_123_e8_953_e7_1465.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-07-09-711.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_123_e8_953_e7_1465.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-07-09-711.csv Completed graceful shutdown