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_e7_856.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:04:23,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:04:23,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:04:23,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:04:23,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:04:23,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:04:23,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:04:23,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:04:23,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:04:23,469 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:04:23,470 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:04:23,470 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:04:23,471 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:04:23,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:04:23,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:04:23,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:04:23,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:04:23,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:04:23,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:04:23,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:04:23,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:04:23,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:04:23,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:04:23,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:04:23,484 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:04:23,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:04:23,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:04:23,486 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:04:23,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:04:23,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:04:23,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:04:23,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:04:23,489 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:04:23,490 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:04:23,491 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:04:23,491 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 20:04:23,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:04:23,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:04:23,505 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:04:23,505 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:04:23,506 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:04:23,507 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:04:23,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:04:23,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:04:23,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:04:23,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:04:23,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:04:23,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:04:23,508 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:04:23,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:04:23,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:04:23,509 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:04:23,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:04:23,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:04:23,509 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:04:23,511 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:04:23,511 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:04:23,559 INFO ]: Repository-Root is: /tmp [2018-06-22 20:04:23,573 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:04:23,578 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:04:23,580 INFO ]: Initializing SmtParser... [2018-06-22 20:04:23,580 INFO ]: SmtParser initialized [2018-06-22 20:04:23,581 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e7_856.smt2 [2018-06-22 20:04:23,582 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 20:04:23,671 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e7_856.smt2 unknown [2018-06-22 20:04:24,025 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e7_856.smt2 [2018-06-22 20:04:24,038 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:04:24,045 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:04:24,045 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:04:24,045 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:04:24,045 INFO ]: ChcToBoogie initialized [2018-06-22 20:04:24,057 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,138 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24 Unit [2018-06-22 20:04:24,139 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:04:24,139 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:04:24,139 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:04:24,139 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:04:24,184 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,184 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,203 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,203 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,221 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,222 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,224 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (1/1) ... [2018-06-22 20:04:24,232 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:04:24,233 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:04:24,233 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:04:24,233 INFO ]: RCFGBuilder initialized [2018-06-22 20:04:24,234 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (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 20:04:24,254 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:04:24,254 INFO ]: Found specification of procedure False [2018-06-22 20:04:24,254 INFO ]: Found implementation of procedure False [2018-06-22 20:04:24,254 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:04:24,254 INFO ]: Found specification of procedure state [2018-06-22 20:04:24,254 INFO ]: Found implementation of procedure state [2018-06-22 20:04:24,254 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:04:24,254 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:04:24,254 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 20:04:24,610 INFO ]: Using library mode [2018-06-22 20:04:24,611 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:04:24 BoogieIcfgContainer [2018-06-22 20:04:24,611 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:04:24,613 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:04:24,613 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:04:24,620 INFO ]: TraceAbstraction initialized [2018-06-22 20:04:24,621 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:04:24" (1/3) ... [2018-06-22 20:04:24,622 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb6dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:04:24, skipping insertion in model container [2018-06-22 20:04:24,622 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:04:24" (2/3) ... [2018-06-22 20:04:24,622 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb6dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:04:24, skipping insertion in model container [2018-06-22 20:04:24,622 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:04:24" (3/3) ... [2018-06-22 20:04:24,624 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:04:24,633 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:04:24,640 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:04:24,681 INFO ]: Using default assertion order modulation [2018-06-22 20:04:24,681 INFO ]: Interprodecural is true [2018-06-22 20:04:24,681 INFO ]: Hoare is false [2018-06-22 20:04:24,681 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:04:24,682 INFO ]: Backedges is TWOTRACK [2018-06-22 20:04:24,682 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:04:24,682 INFO ]: Difference is false [2018-06-22 20:04:24,682 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:04:24,682 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:04:24,697 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:04:24,711 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:04:24,712 INFO ]: Found error trace [2018-06-22 20:04:24,714 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:04:24,714 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:04:24,718 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 20:04:24,720 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:04:24,721 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:04:24,759 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:04:24,759 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:04:24,759 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:04:24,867 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:04:25,323 WARN ]: Spent 246.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 10 [2018-06-22 20:04:25,326 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:04:25,328 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:04:25,328 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:04:25,330 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:04:25,340 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:04:25,341 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:04:25,343 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:04:25,441 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:04:25,441 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:04:25,441 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:04:25,442 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:04:25,442 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:04:25,451 INFO ]: With dead ends: 13 [2018-06-22 20:04:25,451 INFO ]: Without dead ends: 13 [2018-06-22 20:04:25,453 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:04:25,465 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:04:25,484 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:04:25,485 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:04:25,486 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:04:25,487 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:04:25,487 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:04:25,487 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:04:25,488 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:04:25,488 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:04:25,489 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:04:25,489 INFO ]: Found error trace [2018-06-22 20:04:25,489 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:04:25,489 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:04:25,489 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 20:04:25,489 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:04:25,489 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:04:25,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:04:25,490 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:04:25,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:04:25,606 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:04:28,145 WARN ]: Spent 2.03 s on a formula simplification. DAG size of input: 269 DAG size of output: 159 [2018-06-22 20:04:28,425 WARN ]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 1 [2018-06-22 20:04:28,428 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:04:28,429 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:04:28,429 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 20:04:28,436 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:04:28,505 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:04:28,516 INFO ]: Computing forward predicates... [2018-06-22 20:04:34,051 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:04:34,669 WARN ]: Simplifying disjunction of 15984 conjuctions. This might take some time... [2018-06-22 20:04:39,831 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:04:39,870 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:04:40,114 WARN ]: Simplifying disjunction of 15120 conjuctions. This might take some time... [2018-06-22 20:04:44,910 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:04:44,922 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:04:45,296 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:04:45,461 WARN ]: Simplifying disjunction of 15120 conjuctions. This might take some time... [2018-06-22 20:04:50,828 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:04:50,841 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:04:50,868 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:04:51,050 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:04:51,142 WARN ]: Simplifying disjunction of 7200 conjuctions. This might take some time... [2018-06-22 20:04:53,636 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:04:53,646 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:04:53,717 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:04:53,755 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:04:54,018 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 20:04:54,618 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:04:54,782 WARN ]: Simplifying disjunction of 21168 conjuctions. This might take some time... [2018-06-22 20:05:00,275 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:00,285 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:00,439 WARN ]: Simplifying disjunction of 21168 conjuctions. This might take some time... [2018-06-22 20:05:07,410 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:07,422 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:07,607 WARN ]: Simplifying disjunction of 15120 conjuctions. This might take some time... [2018-06-22 20:05:11,559 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:11,573 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:05:11,575 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:05:11,575 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:05:11,576 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:11,580 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:05:11,868 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:05:11,879 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:11,883 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:05:11,884 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 20:05:11,894 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 20:05:11,899 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:12,002 WARN ]: Simplifying disjunction of 15120 conjuctions. This might take some time... [2018-06-22 20:05:18,122 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:18,135 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:18,139 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:05:18,140 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:05:18,141 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:05:18,162 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:18,164 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:18,165 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:18,169 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:05:18,173 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:05:18,176 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:05:18,187 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:05:18,440 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 20:05:18,442 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 20:05:18,445 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 20:05:18,467 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:05:18,503 WARN ]: Simplifying disjunction of 7200 conjuctions. This might take some time... [2018-06-22 20:05:20,562 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:20,574 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 20:05:21,169 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:05:21,261 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:21,473 WARN ]: Simplifying disjunction of 21168 conjuctions. This might take some time... [2018-06-22 20:05:31,655 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:31,667 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:31,773 WARN ]: Simplifying disjunction of 18144 conjuctions. This might take some time... [2018-06-22 20:05:36,549 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:05:36,561 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 20:05:36,772 WARN ]: expecting exponential blowup for input size 19 [2018-06-22 20:05:36,884 WARN ]: Simplifying disjunction of 15840 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:05:39,279 INFO ]: Timeout while computing interpolants [2018-06-22 20:05:39,480 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:05:39,480 WARN ]: Verification canceled [2018-06-22 20:05:39,484 WARN ]: Timeout [2018-06-22 20:05:39,484 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:05:39 BoogieIcfgContainer [2018-06-22 20:05:39,484 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:05:39,485 INFO ]: Toolchain (without parser) took 75446.28 ms. Allocated memory was 308.3 MB in the beginning and 902.3 MB in the end (delta: 594.0 MB). Free memory was 253.7 MB in the beginning and 364.9 MB in the end (delta: -111.2 MB). Peak memory consumption was 584.9 MB. Max. memory is 3.6 GB. [2018-06-22 20:05:39,486 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:05:39,486 INFO ]: ChcToBoogie took 93.79 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:05:39,487 INFO ]: Boogie Preprocessor took 93.06 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 249.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:05:39,487 INFO ]: RCFGBuilder took 378.37 ms. Allocated memory is still 308.3 MB. Free memory was 249.6 MB in the beginning and 230.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:05:39,488 INFO ]: TraceAbstraction took 74871.46 ms. Allocated memory was 308.3 MB in the beginning and 902.3 MB in the end (delta: 594.0 MB). Free memory was 230.5 MB in the beginning and 364.9 MB in the end (delta: -134.3 MB). Peak memory consumption was 561.7 MB. Max. memory is 3.6 GB. [2018-06-22 20:05:39,492 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 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.79 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.06 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 249.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 378.37 ms. Allocated memory is still 308.3 MB. Free memory was 249.6 MB in the beginning and 230.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74871.46 ms. Allocated memory was 308.3 MB in the beginning and 902.3 MB in the end (delta: 594.0 MB). Free memory was 230.5 MB in the beginning and 364.9 MB in the end (delta: -134.3 MB). Peak memory consumption was 561.7 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 15840 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.8s 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, 0.3s 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, 0.4s 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_e7_856.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-05-39-510.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_123_e7_856.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-05-39-510.csv Completed graceful shutdown