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/ILLINOIS_4_e7_2651_e7_2847.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:40:48,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:40:48,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:40:48,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:40:48,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:40:48,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:40:48,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:40:48,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:40:48,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:40:48,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:40:48,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:40:48,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:40:48,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:40:48,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:40:48,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:40:48,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:40:48,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:40:48,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:40:48,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:40:48,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:40:48,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:40:48,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:40:48,087 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:40:48,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:40:48,088 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:40:48,089 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:40:48,090 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:40:48,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:40:48,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:40:48,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:40:48,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:40:48,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:40:48,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:40:48,095 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:40:48,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:40:48,096 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 18:40:48,109 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:40:48,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:40:48,110 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:40:48,110 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:40:48,111 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:40:48,112 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:40:48,112 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:40:48,112 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:40:48,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:40:48,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:40:48,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:40:48,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:40:48,114 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:40:48,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:40:48,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:40:48,114 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:40:48,115 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:40:48,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:40:48,115 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:40:48,117 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:40:48,117 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:40:48,166 INFO ]: Repository-Root is: /tmp [2018-06-22 18:40:48,184 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:40:48,191 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:40:48,192 INFO ]: Initializing SmtParser... [2018-06-22 18:40:48,193 INFO ]: SmtParser initialized [2018-06-22 18:40:48,193 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 [2018-06-22 18:40:48,195 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 18:40:48,294 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 unknown [2018-06-22 18:40:48,867 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_4_e7_2651_e7_2847.smt2 [2018-06-22 18:40:48,872 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:40:48,878 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:40:48,878 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:40:48,879 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:40:48,879 INFO ]: ChcToBoogie initialized [2018-06-22 18:40:48,882 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,942 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48 Unit [2018-06-22 18:40:48,942 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:40:48,943 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:40:48,943 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:40:48,943 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:40:48,963 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,963 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,974 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,974 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,988 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,989 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,993 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (1/1) ... [2018-06-22 18:40:48,997 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:40:48,998 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:40:48,998 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:40:48,998 INFO ]: RCFGBuilder initialized [2018-06-22 18:40:48,999 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (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 18:40:49,010 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:40:49,010 INFO ]: Found specification of procedure False [2018-06-22 18:40:49,010 INFO ]: Found implementation of procedure False [2018-06-22 18:40:49,010 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:40:49,010 INFO ]: Found specification of procedure state [2018-06-22 18:40:49,010 INFO ]: Found implementation of procedure state [2018-06-22 18:40:49,010 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:40:49,010 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:40:49,010 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 18:40:49,421 INFO ]: Using library mode [2018-06-22 18:40:49,422 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:40:49 BoogieIcfgContainer [2018-06-22 18:40:49,422 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:40:49,424 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:40:49,424 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:40:49,432 INFO ]: TraceAbstraction initialized [2018-06-22 18:40:49,432 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:40:48" (1/3) ... [2018-06-22 18:40:49,433 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f4d823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:40:49, skipping insertion in model container [2018-06-22 18:40:49,433 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:40:48" (2/3) ... [2018-06-22 18:40:49,433 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f4d823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:40:49, skipping insertion in model container [2018-06-22 18:40:49,433 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:40:49" (3/3) ... [2018-06-22 18:40:49,437 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:40:49,447 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:40:49,457 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:40:49,508 INFO ]: Using default assertion order modulation [2018-06-22 18:40:49,508 INFO ]: Interprodecural is true [2018-06-22 18:40:49,509 INFO ]: Hoare is false [2018-06-22 18:40:49,509 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:40:49,509 INFO ]: Backedges is TWOTRACK [2018-06-22 18:40:49,509 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:40:49,509 INFO ]: Difference is false [2018-06-22 18:40:49,509 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:40:49,509 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:40:49,527 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:40:49,544 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:40:49,544 INFO ]: Found error trace [2018-06-22 18:40:49,546 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:40:49,546 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:40:49,552 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:40:49,554 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:40:49,555 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:40:49,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:40:49,602 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:40:49,602 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:40:49,720 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:40:50,055 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2018-06-22 18:40:50,058 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:40:50,060 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:40:50,060 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:40:50,062 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:40:50,077 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:40:50,078 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:40:50,080 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:40:50,211 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:40:50,211 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:40:50,212 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:40:50,213 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:40:50,213 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:40:50,221 INFO ]: With dead ends: 13 [2018-06-22 18:40:50,221 INFO ]: Without dead ends: 13 [2018-06-22 18:40:50,222 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 18:40:50,235 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:40:50,269 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:40:50,270 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:40:50,271 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:40:50,272 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:40:50,272 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:40:50,272 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:40:50,272 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:40:50,272 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:40:50,274 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:40:50,274 INFO ]: Found error trace [2018-06-22 18:40:50,274 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:40:50,274 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:40:50,274 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:40:50,274 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:40:50,274 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:40:50,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:40:50,275 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:40:50,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:40:50,441 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:40:51,248 WARN ]: Spent 596.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 31 [2018-06-22 18:40:51,323 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:40:51,323 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:40:51,323 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 18:40:51,331 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:40:51,464 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:40:51,476 INFO ]: Computing forward predicates... [2018-06-22 18:40:53,246 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,257 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,262 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,267 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,275 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,279 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 18:40:53,415 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,416 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,418 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,419 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,422 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,424 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 18:40:53,446 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 18:40:53,714 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 18:41:11,456 INFO ]: Simplified to disjunction of 10368 conjuctions. [2018-06-22 18:41:11,551 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 18:41:11,801 WARN ]: Simplifying disjunction of 20736 conjuctions. This might take some time... Received shutdown request... [2018-06-22 18:42:08,283 INFO ]: Timeout while computing interpolants [2018-06-22 18:42:08,484 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:42:08,484 WARN ]: Verification canceled [2018-06-22 18:42:08,498 WARN ]: Timeout [2018-06-22 18:42:08,498 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:42:08 BoogieIcfgContainer [2018-06-22 18:42:08,499 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:42:08,499 INFO ]: Toolchain (without parser) took 79627.08 ms. Allocated memory was 308.8 MB in the beginning and 461.9 MB in the end (delta: 153.1 MB). Free memory was 242.2 MB in the beginning and 322.1 MB in the end (delta: -79.9 MB). Peak memory consumption was 154.1 MB. Max. memory is 3.6 GB. [2018-06-22 18:42:08,505 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 18:42:08,505 INFO ]: ChcToBoogie took 64.07 ms. Allocated memory is still 308.8 MB. Free memory was 241.2 MB in the beginning and 238.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:42:08,506 INFO ]: Boogie Preprocessor took 54.60 ms. Allocated memory is still 308.8 MB. Free memory was 238.2 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:42:08,506 INFO ]: RCFGBuilder took 424.20 ms. Allocated memory is still 308.8 MB. Free memory was 236.3 MB in the beginning and 205.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. [2018-06-22 18:42:08,506 INFO ]: TraceAbstraction took 79074.64 ms. Allocated memory was 308.8 MB in the beginning and 461.9 MB in the end (delta: 153.1 MB). Free memory was 205.2 MB in the beginning and 322.1 MB in the end (delta: -116.9 MB). Peak memory consumption was 117.1 MB. Max. memory is 3.6 GB. [2018-06-22 18:42:08,509 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 64.07 ms. Allocated memory is still 308.8 MB. Free memory was 241.2 MB in the beginning and 238.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 54.60 ms. Allocated memory is still 308.8 MB. Free memory was 238.2 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 424.20 ms. Allocated memory is still 308.8 MB. Free memory was 236.3 MB in the beginning and 205.2 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 79074.64 ms. Allocated memory was 308.8 MB in the beginning and 461.9 MB in the end (delta: 153.1 MB). Free memory was 205.2 MB in the beginning and 322.1 MB in the end (delta: -116.9 MB). Peak memory consumption was 117.1 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 20736 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 79.0s 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, 72 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/ILLINOIS_4_e7_2651_e7_2847.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-42-08-520.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_4_e7_2651_e7_2847.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-42-08-520.csv Completed graceful shutdown