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/car_3_e7_626.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 15:53:00,330 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 15:53:00,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 15:53:00,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 15:53:00,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 15:53:00,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 15:53:00,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 15:53:00,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 15:53:00,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 15:53:00,353 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 15:53:00,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 15:53:00,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 15:53:00,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 15:53:00,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 15:53:00,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 15:53:00,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 15:53:00,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 15:53:00,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 15:53:00,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 15:53:00,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 15:53:00,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 15:53:00,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 15:53:00,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 15:53:00,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 15:53:00,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 15:53:00,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 15:53:00,382 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 15:53:00,382 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 15:53:00,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 15:53:00,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 15:53:00,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 15:53:00,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 15:53:00,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 15:53:00,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 15:53:00,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 15:53:00,391 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 15:53:00,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 15:53:00,409 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 15:53:00,410 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 15:53:00,410 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 15:53:00,412 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 15:53:00,412 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 15:53:00,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 15:53:00,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 15:53:00,413 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 15:53:00,413 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 15:53:00,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 15:53:00,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 15:53:00,413 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 15:53:00,413 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 15:53:00,414 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 15:53:00,414 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 15:53:00,414 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 15:53:00,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 15:53:00,414 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 15:53:00,416 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 15:53:00,416 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 15:53:00,464 INFO ]: Repository-Root is: /tmp [2018-06-22 15:53:00,477 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 15:53:00,482 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 15:53:00,485 INFO ]: Initializing SmtParser... [2018-06-22 15:53:00,485 INFO ]: SmtParser initialized [2018-06-22 15:53:00,486 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/car_3_e7_626.smt2 [2018-06-22 15:53:00,487 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 15:53:00,574 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_3_e7_626.smt2 unknown [2018-06-22 15:53:00,852 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_3_e7_626.smt2 [2018-06-22 15:53:00,856 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 15:53:00,867 INFO ]: Walking toolchain with 4 elements. [2018-06-22 15:53:00,868 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 15:53:00,868 INFO ]: Initializing ChcToBoogie... [2018-06-22 15:53:00,868 INFO ]: ChcToBoogie initialized [2018-06-22 15:53:00,871 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,921 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00 Unit [2018-06-22 15:53:00,921 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 15:53:00,922 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 15:53:00,922 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 15:53:00,922 INFO ]: Boogie Preprocessor initialized [2018-06-22 15:53:00,944 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,944 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,953 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,953 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,963 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,965 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,975 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (1/1) ... [2018-06-22 15:53:00,977 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 15:53:00,978 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 15:53:00,978 INFO ]: Initializing RCFGBuilder... [2018-06-22 15:53:00,978 INFO ]: RCFGBuilder initialized [2018-06-22 15:53:00,979 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (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 15:53:00,991 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 15:53:00,992 INFO ]: Found specification of procedure False [2018-06-22 15:53:00,992 INFO ]: Found implementation of procedure False [2018-06-22 15:53:00,992 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 15:53:00,992 INFO ]: Found specification of procedure state [2018-06-22 15:53:00,992 INFO ]: Found implementation of procedure state [2018-06-22 15:53:00,992 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 15:53:00,992 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 15:53:00,992 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 15:53:01,397 INFO ]: Using library mode [2018-06-22 15:53:01,398 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:53:01 BoogieIcfgContainer [2018-06-22 15:53:01,398 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 15:53:01,399 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 15:53:01,400 INFO ]: Initializing TraceAbstraction... [2018-06-22 15:53:01,403 INFO ]: TraceAbstraction initialized [2018-06-22 15:53:01,403 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:53:00" (1/3) ... [2018-06-22 15:53:01,404 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a5df2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:53:01, skipping insertion in model container [2018-06-22 15:53:01,404 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:53:00" (2/3) ... [2018-06-22 15:53:01,404 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a5df2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:53:01, skipping insertion in model container [2018-06-22 15:53:01,404 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:53:01" (3/3) ... [2018-06-22 15:53:01,406 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 15:53:01,417 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 15:53:01,429 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 15:53:01,479 INFO ]: Using default assertion order modulation [2018-06-22 15:53:01,480 INFO ]: Interprodecural is true [2018-06-22 15:53:01,480 INFO ]: Hoare is false [2018-06-22 15:53:01,480 INFO ]: Compute interpolants for FPandBP [2018-06-22 15:53:01,480 INFO ]: Backedges is TWOTRACK [2018-06-22 15:53:01,480 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 15:53:01,480 INFO ]: Difference is false [2018-06-22 15:53:01,480 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 15:53:01,480 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 15:53:01,498 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 15:53:01,512 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 15:53:01,512 INFO ]: Found error trace [2018-06-22 15:53:01,513 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 15:53:01,513 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 15:53:01,518 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 15:53:01,521 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 15:53:01,521 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 15:53:01,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:01,569 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 15:53:01,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:01,656 INFO ]: Conjunction of SSA is unsat [2018-06-22 15:53:01,871 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 15:53:01,873 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 15:53:01,873 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 15:53:01,875 INFO ]: Interpolant automaton has 4 states [2018-06-22 15:53:01,886 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 15:53:01,886 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 15:53:01,888 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 15:53:01,992 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 15:53:01,993 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 15:53:01,993 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 15:53:01,995 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 15:53:01,995 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 15:53:02,008 INFO ]: With dead ends: 13 [2018-06-22 15:53:02,008 INFO ]: Without dead ends: 13 [2018-06-22 15:53:02,010 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 15:53:02,027 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 15:53:02,068 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 15:53:02,069 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 15:53:02,070 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 15:53:02,071 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 15:53:02,072 INFO ]: Finished accepts. word is rejected. [2018-06-22 15:53:02,072 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 15:53:02,072 INFO ]: Interpolant automaton has 4 states. [2018-06-22 15:53:02,072 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 15:53:02,073 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 15:53:02,073 INFO ]: Found error trace [2018-06-22 15:53:02,073 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 15:53:02,073 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 15:53:02,073 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 15:53:02,073 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 15:53:02,073 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 15:53:02,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:02,075 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 15:53:02,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 15:53:02,145 INFO ]: Conjunction of SSA is unsat [2018-06-22 15:53:03,128 WARN ]: Spent 791.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2018-06-22 15:53:03,287 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 15:53:03,287 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 15:53:03,287 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 15:53:03,299 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 15:53:03,357 INFO ]: Conjunction of SSA is unsat [2018-06-22 15:53:03,366 INFO ]: Computing forward predicates... [2018-06-22 15:53:03,950 WARN ]: Spent 333.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 10 [2018-06-22 15:53:04,299 WARN ]: Spent 166.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2018-06-22 15:53:04,318 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 15:53:04,342 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 15:53:04,342 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-22 15:53:04,342 INFO ]: Interpolant automaton has 8 states [2018-06-22 15:53:04,342 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 15:53:04,342 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 15:53:04,342 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2018-06-22 15:53:04,616 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 15:53:04,616 INFO ]: Finished difference Result 9 states and 10 transitions. [2018-06-22 15:53:04,617 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 15:53:04,617 INFO ]: Start accepts. Automaton has 8 states. Word has length 13 [2018-06-22 15:53:04,617 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 15:53:04,617 INFO ]: With dead ends: 9 [2018-06-22 15:53:04,617 INFO ]: Without dead ends: 0 [2018-06-22 15:53:04,618 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-06-22 15:53:04,618 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 15:53:04,618 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 15:53:04,618 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 15:53:04,618 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 15:53:04,618 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-06-22 15:53:04,618 INFO ]: Finished accepts. word is rejected. [2018-06-22 15:53:04,618 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 15:53:04,618 INFO ]: Interpolant automaton has 8 states. [2018-06-22 15:53:04,618 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 15:53:04,618 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 15:53:04,623 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:53:04 BoogieIcfgContainer [2018-06-22 15:53:04,623 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 15:53:04,624 INFO ]: Toolchain (without parser) took 3767.63 ms. Allocated memory was 304.6 MB in the beginning and 328.2 MB in the end (delta: 23.6 MB). Free memory was 253.0 MB in the beginning and 225.9 MB in the end (delta: 27.1 MB). Peak memory consumption was 50.7 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:04,625 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 15:53:04,626 INFO ]: ChcToBoogie took 53.56 ms. Allocated memory is still 304.6 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:04,626 INFO ]: Boogie Preprocessor took 55.57 ms. Allocated memory is still 304.6 MB. Free memory was 251.0 MB in the beginning and 249.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:04,627 INFO ]: RCFGBuilder took 420.05 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 233.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:04,627 INFO ]: TraceAbstraction took 3224.03 ms. Allocated memory was 304.6 MB in the beginning and 328.2 MB in the end (delta: 23.6 MB). Free memory was 233.0 MB in the beginning and 225.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 3.6 GB. [2018-06-22 15:53:04,632 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 53.56 ms. Allocated memory is still 304.6 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.57 ms. Allocated memory is still 304.6 MB. Free memory was 251.0 MB in the beginning and 249.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 420.05 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 233.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 3224.03 ms. Allocated memory was 304.6 MB in the beginning and 328.2 MB in the end (delta: 23.6 MB). Free memory was 233.0 MB in the beginning and 225.9 MB in the end (delta: 7.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 3 SDslu, 35 SDs, 0 SdLazy, 29 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732 SizeOfPredicates, 14 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/car_3_e7_626.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_15-53-04-653.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/car_3_e7_626.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_15-53-04-653.csv Received shutdown request...