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/ticket3i_1_e7_1669.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:30:01,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:30:01,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:30:01,964 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:30:01,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:30:01,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:30:01,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:30:01,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:30:01,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:30:01,977 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:30:01,978 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:30:01,978 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:30:01,979 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:30:01,990 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:30:01,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:30:01,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:30:01,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:30:01,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:30:01,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:30:01,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:30:02,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:30:02,003 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:30:02,003 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:30:02,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:30:02,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:30:02,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:30:02,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:30:02,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:30:02,007 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:30:02,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:30:02,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:30:02,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:30:02,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:30:02,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:30:02,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:30:02,011 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 20:30:02,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:30:02,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:30:02,024 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:30:02,024 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:30:02,026 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:30:02,026 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:30:02,027 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:30:02,027 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:30:02,027 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:30:02,027 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:30:02,027 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:30:02,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:30:02,028 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:30:02,028 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:30:02,028 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:30:02,028 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:30:02,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:30:02,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:30:02,029 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:30:02,031 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:30:02,032 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:30:02,076 INFO ]: Repository-Root is: /tmp [2018-06-22 20:30:02,092 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:30:02,099 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:30:02,100 INFO ]: Initializing SmtParser... [2018-06-22 20:30:02,100 INFO ]: SmtParser initialized [2018-06-22 20:30:02,102 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_1_e7_1669.smt2 [2018-06-22 20:30:02,103 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 20:30:02,199 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_1_e7_1669.smt2 unknown [2018-06-22 20:30:02,675 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ticket3i_1_e7_1669.smt2 [2018-06-22 20:30:02,679 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:30:02,686 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:30:02,686 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:30:02,686 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:30:02,687 INFO ]: ChcToBoogie initialized [2018-06-22 20:30:02,690 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,795 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02 Unit [2018-06-22 20:30:02,795 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:30:02,796 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:30:02,796 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:30:02,796 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:30:02,818 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,818 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,829 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,830 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,838 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,840 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,843 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (1/1) ... [2018-06-22 20:30:02,848 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:30:02,848 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:30:02,848 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:30:02,848 INFO ]: RCFGBuilder initialized [2018-06-22 20:30:02,849 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (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 20:30:02,887 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:30:02,887 INFO ]: Found specification of procedure False [2018-06-22 20:30:02,887 INFO ]: Found implementation of procedure False [2018-06-22 20:30:02,887 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:30:02,887 INFO ]: Found specification of procedure state [2018-06-22 20:30:02,887 INFO ]: Found implementation of procedure state [2018-06-22 20:30:02,887 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:30:02,887 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:30:02,887 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 20:30:03,233 INFO ]: Using library mode [2018-06-22 20:30:03,234 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:30:03 BoogieIcfgContainer [2018-06-22 20:30:03,234 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:30:03,235 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:30:03,235 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:30:03,238 INFO ]: TraceAbstraction initialized [2018-06-22 20:30:03,239 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:30:02" (1/3) ... [2018-06-22 20:30:03,240 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399511a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:30:03, skipping insertion in model container [2018-06-22 20:30:03,240 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:30:02" (2/3) ... [2018-06-22 20:30:03,240 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399511a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:30:03, skipping insertion in model container [2018-06-22 20:30:03,240 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:30:03" (3/3) ... [2018-06-22 20:30:03,242 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:30:03,252 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:30:03,262 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:30:03,313 INFO ]: Using default assertion order modulation [2018-06-22 20:30:03,313 INFO ]: Interprodecural is true [2018-06-22 20:30:03,313 INFO ]: Hoare is false [2018-06-22 20:30:03,313 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:30:03,313 INFO ]: Backedges is TWOTRACK [2018-06-22 20:30:03,313 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:30:03,314 INFO ]: Difference is false [2018-06-22 20:30:03,314 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:30:03,314 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:30:03,330 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:30:03,343 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:30:03,343 INFO ]: Found error trace [2018-06-22 20:30:03,344 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:30:03,344 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:30:03,347 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:30:03,349 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:30:03,349 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:30:03,384 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:30:03,384 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:30:03,384 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:30:03,505 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:30:03,876 WARN ]: Spent 131.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 4 [2018-06-22 20:30:03,880 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:30:03,882 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:30:03,882 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:30:03,884 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:30:03,899 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:30:03,900 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:30:03,902 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:30:04,047 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:30:04,047 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:30:04,048 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:30:04,049 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:30:04,050 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:30:04,066 INFO ]: With dead ends: 13 [2018-06-22 20:30:04,066 INFO ]: Without dead ends: 13 [2018-06-22 20:30:04,068 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 20:30:04,087 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:30:04,121 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:30:04,125 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:30:04,126 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:30:04,127 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:30:04,127 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:30:04,127 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:30:04,128 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:30:04,128 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:30:04,129 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:30:04,129 INFO ]: Found error trace [2018-06-22 20:30:04,129 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:30:04,129 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:30:04,129 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:30:04,129 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:30:04,129 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:30:04,130 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:30:04,130 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:30:04,130 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:30:04,281 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:30:05,680 WARN ]: Spent 1.08 s on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2018-06-22 20:30:05,756 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:30:05,756 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:30:05,756 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 20:30:05,774 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:30:05,919 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:30:05,933 INFO ]: Computing forward predicates... [2018-06-22 20:30:22,470 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:30:22,531 WARN ]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2018-06-22 20:30:23,859 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:30:24,234 WARN ]: expecting exponential blowup for input size 18 [2018-06-22 20:30:24,630 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 20:30:32,335 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 20:30:32,362 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:30:32,437 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 20:30:38,469 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 20:30:38,498 WARN ]: expecting exponential blowup for input size 18 [2018-06-22 20:30:38,658 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 20:30:45,305 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 20:30:45,330 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:30:45,424 WARN ]: Simplifying disjunction of 10368 conjuctions. This might take some time... [2018-06-22 20:30:50,699 INFO ]: Simplified to disjunction of 5184 conjuctions. [2018-06-22 20:30:51,171 WARN ]: Simplifying disjunction of 9072 conjuctions. This might take some time... [2018-06-22 20:30:55,040 INFO ]: Simplified to disjunction of 9072 conjuctions. [2018-06-22 20:30:55,091 WARN ]: expecting exponential blowup for input size 19 Received shutdown request... [2018-06-22 20:31:05,703 INFO ]: Timeout while computing interpolants [2018-06-22 20:31:05,904 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:31:05,904 WARN ]: Verification canceled [2018-06-22 20:31:05,909 WARN ]: Timeout [2018-06-22 20:31:05,909 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:31:05 BoogieIcfgContainer [2018-06-22 20:31:05,909 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:31:05,910 INFO ]: Toolchain (without parser) took 63229.74 ms. Allocated memory was 304.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 238.0 MB in the beginning and 507.5 MB in the end (delta: -269.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 3.6 GB. [2018-06-22 20:31:05,911 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:31:05,911 INFO ]: ChcToBoogie took 108.86 ms. Allocated memory is still 304.6 MB. Free memory was 237.0 MB in the beginning and 235.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:31:05,912 INFO ]: Boogie Preprocessor took 52.35 ms. Allocated memory is still 304.6 MB. Free memory was 235.0 MB in the beginning and 233.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:31:05,912 INFO ]: RCFGBuilder took 385.38 ms. Allocated memory is still 304.6 MB. Free memory was 233.0 MB in the beginning and 200.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:31:05,913 INFO ]: TraceAbstraction took 62673.45 ms. Allocated memory was 304.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 200.9 MB in the beginning and 507.5 MB in the end (delta: -306.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 3.6 GB. [2018-06-22 20:31:05,927 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 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 108.86 ms. Allocated memory is still 304.6 MB. Free memory was 237.0 MB in the beginning and 235.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.35 ms. Allocated memory is still 304.6 MB. Free memory was 235.0 MB in the beginning and 233.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 385.38 ms. Allocated memory is still 304.6 MB. Free memory was 233.0 MB in the beginning and 200.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62673.45 ms. Allocated memory was 304.6 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 200.9 MB in the beginning and 507.5 MB in the end (delta: -306.5 MB). Peak memory consumption was 2.1 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 19 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 62.6s 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, 0.1s 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, 120 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/ticket3i_1_e7_1669.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-31-05-937.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ticket3i_1_e7_1669.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-31-05-937.csv Completed graceful shutdown