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/hopv/lia/termination/indirectHO01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:40:36,433 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:40:36,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:40:36,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:40:36,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:40:36,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:40:36,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:40:36,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:40:36,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:40:36,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:40:36,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:40:36,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:40:36,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:40:36,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:40:36,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:40:36,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:40:36,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:40:36,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:40:36,476 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:40:36,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:40:36,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:40:36,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:40:36,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:40:36,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:40:36,484 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:40:36,485 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:40:36,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:40:36,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:40:36,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:40:36,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:40:36,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:40:36,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:40:36,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:40:36,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:40:36,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:40:36,495 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 11:40:36,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:40:36,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:40:36,514 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:40:36,514 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:40:36,515 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:40:36,515 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:40:36,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:40:36,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:40:36,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:40:36,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:40:36,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:40:36,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:40:36,517 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:40:36,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:40:36,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:40:36,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:40:36,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:40:36,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:40:36,518 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:40:36,520 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:40:36,520 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:40:36,568 INFO ]: Repository-Root is: /tmp [2018-06-22 11:40:36,588 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:40:36,594 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:40:36,596 INFO ]: Initializing SmtParser... [2018-06-22 11:40:36,596 INFO ]: SmtParser initialized [2018-06-22 11:40:36,597 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/indirectHO01.smt2 [2018-06-22 11:40:36,599 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 11:40:36,691 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/indirectHO01.smt2 unknown [2018-06-22 11:40:37,326 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/indirectHO01.smt2 [2018-06-22 11:40:37,336 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:40:37,343 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:40:37,343 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:40:37,343 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:40:37,343 INFO ]: ChcToBoogie initialized [2018-06-22 11:40:37,346 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,398 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37 Unit [2018-06-22 11:40:37,399 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:40:37,399 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:40:37,399 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:40:37,399 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:40:37,428 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,429 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,440 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,440 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,456 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,463 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,465 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (1/1) ... [2018-06-22 11:40:37,467 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:40:37,468 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:40:37,468 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:40:37,468 INFO ]: RCFGBuilder initialized [2018-06-22 11:40:37,469 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (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 11:40:37,483 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:40:37,483 INFO ]: Found specification of procedure False [2018-06-22 11:40:37,483 INFO ]: Found implementation of procedure False [2018-06-22 11:40:37,483 INFO ]: Specification and implementation of procedure failDLRunknownCLN45 given in one single declaration [2018-06-22 11:40:37,483 INFO ]: Found specification of procedure failDLRunknownCLN45 [2018-06-22 11:40:37,483 INFO ]: Found implementation of procedure failDLRunknownCLN45 [2018-06-22 11:40:37,483 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN15 given in one single declaration [2018-06-22 11:40:37,483 INFO ]: Found specification of procedure app_1032DLRunknownCLN15 [2018-06-22 11:40:37,483 INFO ]: Found implementation of procedure app_1032DLRunknownCLN15 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure f_1035DLRunknownCLN43 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure f_1035DLRunknownCLN43 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure f_1035DLRunknownCLN43 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN11 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure app_1032DLRunknownCLN11 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure app_1032DLRunknownCLN11 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure botDLRunknownCLN34 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure botDLRunknownCLN34 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure botDLRunknownCLN34 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure failDLRunknownCLN46 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure failDLRunknownCLN46 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure failDLRunknownCLN46 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure app_without_checking_1158DLRunknownCLN27 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure app_without_checking_1158DLRunknownCLN27 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure app_without_checking_1158DLRunknownCLN27 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure app_without_checking_1158DLRunknownCLN31 given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure app_without_checking_1158DLRunknownCLN31 [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure app_without_checking_1158DLRunknownCLN31 [2018-06-22 11:40:37,484 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:40:37,484 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:40:37,484 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:40:38,377 INFO ]: Using library mode [2018-06-22 11:40:38,378 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:38 BoogieIcfgContainer [2018-06-22 11:40:38,378 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:40:38,380 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:40:38,380 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:40:38,383 INFO ]: TraceAbstraction initialized [2018-06-22 11:40:38,383 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:37" (1/3) ... [2018-06-22 11:40:38,388 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73591d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:40:38, skipping insertion in model container [2018-06-22 11:40:38,388 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:37" (2/3) ... [2018-06-22 11:40:38,389 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73591d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:40:38, skipping insertion in model container [2018-06-22 11:40:38,390 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:38" (3/3) ... [2018-06-22 11:40:38,392 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:40:38,404 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:40:38,414 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:40:38,472 INFO ]: Using default assertion order modulation [2018-06-22 11:40:38,472 INFO ]: Interprodecural is true [2018-06-22 11:40:38,472 INFO ]: Hoare is false [2018-06-22 11:40:38,472 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:40:38,472 INFO ]: Backedges is TWOTRACK [2018-06-22 11:40:38,472 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:40:38,472 INFO ]: Difference is false [2018-06-22 11:40:38,473 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:40:38,473 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:40:38,499 INFO ]: Start isEmpty. Operand 51 states. [2018-06-22 11:40:38,599 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:40:38,599 INFO ]: Found error trace [2018-06-22 11:40:38,600 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:40:38,600 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:38,606 INFO ]: Analyzing trace with hash 375396438, now seen corresponding path program 1 times [2018-06-22 11:40:38,608 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:38,608 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:38,641 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:38,641 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:38,642 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:38,657 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:38,679 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:38,681 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:38,681 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:40:38,683 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:40:38,700 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:40:38,700 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:40:38,702 INFO ]: Start difference. First operand 51 states. Second operand 2 states. [2018-06-22 11:40:38,731 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:38,731 INFO ]: Finished difference Result 43 states and 54 transitions. [2018-06-22 11:40:38,731 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:40:38,732 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:40:38,732 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:38,751 INFO ]: With dead ends: 43 [2018-06-22 11:40:38,751 INFO ]: Without dead ends: 35 [2018-06-22 11:40:38,753 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:40:38,772 INFO ]: Start minimizeSevpa. Operand 35 states. [2018-06-22 11:40:38,794 INFO ]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-06-22 11:40:38,795 INFO ]: Start removeUnreachable. Operand 35 states. [2018-06-22 11:40:38,796 INFO ]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2018-06-22 11:40:38,798 INFO ]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 5 [2018-06-22 11:40:38,798 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:38,798 INFO ]: Abstraction has 35 states and 42 transitions. [2018-06-22 11:40:38,798 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:40:38,798 INFO ]: Start isEmpty. Operand 35 states and 42 transitions. [2018-06-22 11:40:38,800 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:40:38,800 INFO ]: Found error trace [2018-06-22 11:40:38,800 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:38,800 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:38,800 INFO ]: Analyzing trace with hash 1707167376, now seen corresponding path program 1 times [2018-06-22 11:40:38,800 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:38,800 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:38,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:38,801 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:38,801 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:38,826 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:38,826 INFO ]: Advancing trace checker [2018-06-22 11:40:38,826 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:40:38,835 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:38,888 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:38,896 INFO ]: Computing forward predicates... [2018-06-22 11:40:39,078 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:39,099 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:39,099 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:40:39,101 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:40:39,101 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:40:39,101 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:40:39,101 INFO ]: Start difference. First operand 35 states and 42 transitions. Second operand 4 states. [2018-06-22 11:40:39,141 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:39,141 INFO ]: Finished difference Result 14 states and 15 transitions. [2018-06-22 11:40:39,143 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:40:39,143 INFO ]: Start accepts. Automaton has 4 states. Word has length 17 [2018-06-22 11:40:39,143 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:39,143 INFO ]: With dead ends: 14 [2018-06-22 11:40:39,143 INFO ]: Without dead ends: 0 [2018-06-22 11:40:39,144 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 14 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 11:40:39,144 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:40:39,144 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:40:39,144 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:40:39,144 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:40:39,144 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-06-22 11:40:39,144 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:39,144 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:40:39,144 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:40:39,144 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:40:39,144 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:40:39,150 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:40:39 BoogieIcfgContainer [2018-06-22 11:40:39,150 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:40:39,151 INFO ]: Toolchain (without parser) took 1814.53 ms. Allocated memory was 307.2 MB in the beginning and 327.7 MB in the end (delta: 20.4 MB). Free memory was 241.7 MB in the beginning and 290.1 MB in the end (delta: -48.4 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:40:39,153 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:40:39,153 INFO ]: ChcToBoogie took 55.73 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 237.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:39,153 INFO ]: Boogie Preprocessor took 68.26 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:39,154 INFO ]: RCFGBuilder took 910.10 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 211.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:39,154 INFO ]: TraceAbstraction took 770.46 ms. Allocated memory was 307.2 MB in the beginning and 327.7 MB in the end (delta: 20.4 MB). Free memory was 211.7 MB in the beginning and 290.1 MB in the end (delta: -78.4 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:40:39,159 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 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 55.73 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 237.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 68.26 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 235.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 910.10 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 211.7 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 770.46 ms. Allocated memory was 307.2 MB in the beginning and 327.7 MB in the end (delta: 20.4 MB). Free memory was 211.7 MB in the beginning and 290.1 MB in the end (delta: -78.4 MB). There was no memory consumed. 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 10 procedures, 51 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 SDtfs, 0 SDslu, 25 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 2 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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/indirectHO01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-40-39-174.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirectHO01.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-40-39-174.csv Received shutdown request...