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/indirect03.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:40:30,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:40:30,122 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:40:30,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:40:30,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:40:30,149 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:40:30,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:40:30,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:40:30,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:40:30,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:40:30,156 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:40:30,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:40:30,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:40:30,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:40:30,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:40:30,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:40:30,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:40:30,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:40:30,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:40:30,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:40:30,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:40:30,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:40:30,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:40:30,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:40:30,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:40:30,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:40:30,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:40:30,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:40:30,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:40:30,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:40:30,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:40:30,197 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:40:30,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:40:30,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:40:30,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:40:30,203 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 11:40:30,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:40:30,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:40:30,238 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:40:30,238 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:40:30,242 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:40:30,242 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:40:30,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:40:30,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:40:30,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:40:30,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:40:30,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:40:30,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:40:30,244 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:40:30,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:40:30,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:40:30,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:40:30,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:40:30,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:40:30,246 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:40:30,248 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:40:30,249 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:40:30,304 INFO ]: Repository-Root is: /tmp [2018-06-22 11:40:30,322 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:40:30,326 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:40:30,327 INFO ]: Initializing SmtParser... [2018-06-22 11:40:30,328 INFO ]: SmtParser initialized [2018-06-22 11:40:30,328 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/indirect03.smt2 [2018-06-22 11:40:30,331 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 11:40:30,424 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/indirect03.smt2 unknown [2018-06-22 11:40:30,822 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/indirect03.smt2 [2018-06-22 11:40:30,827 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:40:30,834 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:40:30,835 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:40:30,835 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:40:30,835 INFO ]: ChcToBoogie initialized [2018-06-22 11:40:30,842 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,895 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30 Unit [2018-06-22 11:40:30,900 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:40:30,901 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:40:30,901 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:40:30,901 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:40:30,924 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,924 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,934 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,934 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,942 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,952 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,953 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (1/1) ... [2018-06-22 11:40:30,960 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:40:30,961 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:40:30,961 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:40:30,961 INFO ]: RCFGBuilder initialized [2018-06-22 11:40:30,962 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (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 11:40:30,979 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:40:31,012 INFO ]: Found specification of procedure False [2018-06-22 11:40:31,012 INFO ]: Found implementation of procedure False [2018-06-22 11:40:31,012 INFO ]: Specification and implementation of procedure failDLRunknownCLN43 given in one single declaration [2018-06-22 11:40:31,012 INFO ]: Found specification of procedure failDLRunknownCLN43 [2018-06-22 11:40:31,012 INFO ]: Found implementation of procedure failDLRunknownCLN43 [2018-06-22 11:40:31,012 INFO ]: Specification and implementation of procedure f_1036DLRunknownCLN31 given in one single declaration [2018-06-22 11:40:31,012 INFO ]: Found specification of procedure f_1036DLRunknownCLN31 [2018-06-22 11:40:31,012 INFO ]: Found implementation of procedure f_1036DLRunknownCLN31 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN8 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure app_1032DLRunknownCLN8 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure app_1032DLRunknownCLN8 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN18 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure app_1032DLRunknownCLN18 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure app_1032DLRunknownCLN18 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure f_without_checking_1199DLRunknownCLN41 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure f_without_checking_1199DLRunknownCLN41 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure f_without_checking_1199DLRunknownCLN41 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure f_1036DLRunknownCLN27 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure f_1036DLRunknownCLN27 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure f_1036DLRunknownCLN27 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure botDLRunknownCLN21 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure botDLRunknownCLN21 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure botDLRunknownCLN21 [2018-06-22 11:40:31,013 INFO ]: Specification and implementation of procedure failDLRunknownCLN44 given in one single declaration [2018-06-22 11:40:31,013 INFO ]: Found specification of procedure failDLRunknownCLN44 [2018-06-22 11:40:31,013 INFO ]: Found implementation of procedure failDLRunknownCLN44 [2018-06-22 11:40:31,014 INFO ]: Specification and implementation of procedure f_1036DLRunknownCLN34 given in one single declaration [2018-06-22 11:40:31,014 INFO ]: Found specification of procedure f_1036DLRunknownCLN34 [2018-06-22 11:40:31,014 INFO ]: Found implementation of procedure f_1036DLRunknownCLN34 [2018-06-22 11:40:31,014 INFO ]: Specification and implementation of procedure app_1032DLRunknownCLN11 given in one single declaration [2018-06-22 11:40:31,014 INFO ]: Found specification of procedure app_1032DLRunknownCLN11 [2018-06-22 11:40:31,014 INFO ]: Found implementation of procedure app_1032DLRunknownCLN11 [2018-06-22 11:40:31,014 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:40:31,014 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:40:31,014 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:40:31,487 INFO ]: Using library mode [2018-06-22 11:40:31,488 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:31 BoogieIcfgContainer [2018-06-22 11:40:31,488 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:40:31,490 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:40:31,490 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:40:31,493 INFO ]: TraceAbstraction initialized [2018-06-22 11:40:31,493 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:40:30" (1/3) ... [2018-06-22 11:40:31,494 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa85cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:40:31, skipping insertion in model container [2018-06-22 11:40:31,494 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:40:30" (2/3) ... [2018-06-22 11:40:31,494 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa85cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:40:31, skipping insertion in model container [2018-06-22 11:40:31,494 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:40:31" (3/3) ... [2018-06-22 11:40:31,499 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:40:31,508 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:40:31,515 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:40:31,548 INFO ]: Using default assertion order modulation [2018-06-22 11:40:31,548 INFO ]: Interprodecural is true [2018-06-22 11:40:31,548 INFO ]: Hoare is false [2018-06-22 11:40:31,548 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:40:31,548 INFO ]: Backedges is TWOTRACK [2018-06-22 11:40:31,548 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:40:31,548 INFO ]: Difference is false [2018-06-22 11:40:31,548 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:40:31,548 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:40:31,566 INFO ]: Start isEmpty. Operand 54 states. [2018-06-22 11:40:31,579 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:40:31,579 INFO ]: Found error trace [2018-06-22 11:40:31,581 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:40:31,581 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:31,586 INFO ]: Analyzing trace with hash 264406886, now seen corresponding path program 1 times [2018-06-22 11:40:31,588 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:31,589 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:31,626 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:31,626 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:31,626 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:31,639 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:31,663 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:31,665 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:31,665 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:40:31,667 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:40:31,683 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:40:31,684 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:40:31,686 INFO ]: Start difference. First operand 54 states. Second operand 2 states. [2018-06-22 11:40:31,713 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:31,713 INFO ]: Finished difference Result 45 states and 48 transitions. [2018-06-22 11:40:31,713 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:40:31,715 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:40:31,715 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:31,733 INFO ]: With dead ends: 45 [2018-06-22 11:40:31,741 INFO ]: Without dead ends: 41 [2018-06-22 11:40:31,743 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 11:40:31,756 INFO ]: Start minimizeSevpa. Operand 41 states. [2018-06-22 11:40:31,776 INFO ]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-06-22 11:40:31,777 INFO ]: Start removeUnreachable. Operand 41 states. [2018-06-22 11:40:31,779 INFO ]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-06-22 11:40:31,780 INFO ]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 5 [2018-06-22 11:40:31,780 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:31,780 INFO ]: Abstraction has 41 states and 44 transitions. [2018-06-22 11:40:31,780 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:40:31,780 INFO ]: Start isEmpty. Operand 41 states and 44 transitions. [2018-06-22 11:40:31,782 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 11:40:31,782 INFO ]: Found error trace [2018-06-22 11:40:31,782 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:31,782 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:31,782 INFO ]: Analyzing trace with hash -820267429, now seen corresponding path program 1 times [2018-06-22 11:40:31,782 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:31,782 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:31,783 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:31,783 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:31,783 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:31,802 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:31,803 INFO ]: Advancing trace checker [2018-06-22 11:40:31,803 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 11:40:31,815 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:31,874 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:31,884 INFO ]: Computing forward predicates... [2018-06-22 11:40:32,157 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:40:32,184 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:32,184 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 11:40:32,185 INFO ]: Interpolant automaton has 7 states [2018-06-22 11:40:32,185 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 11:40:32,186 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:40:32,186 INFO ]: Start difference. First operand 41 states and 44 transitions. Second operand 7 states. [2018-06-22 11:40:32,354 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:32,354 INFO ]: Finished difference Result 49 states and 54 transitions. [2018-06-22 11:40:32,355 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:40:32,355 INFO ]: Start accepts. Automaton has 7 states. Word has length 25 [2018-06-22 11:40:32,355 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:32,358 INFO ]: With dead ends: 49 [2018-06-22 11:40:32,358 INFO ]: Without dead ends: 49 [2018-06-22 11:40:32,359 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:40:32,359 INFO ]: Start minimizeSevpa. Operand 49 states. [2018-06-22 11:40:32,369 INFO ]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-06-22 11:40:32,370 INFO ]: Start removeUnreachable. Operand 49 states. [2018-06-22 11:40:32,372 INFO ]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-06-22 11:40:32,372 INFO ]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 25 [2018-06-22 11:40:32,373 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:32,373 INFO ]: Abstraction has 49 states and 54 transitions. [2018-06-22 11:40:32,373 INFO ]: Interpolant automaton has 7 states. [2018-06-22 11:40:32,373 INFO ]: Start isEmpty. Operand 49 states and 54 transitions. [2018-06-22 11:40:32,375 INFO ]: Finished isEmpty. Found accepting run of length 74 [2018-06-22 11:40:32,375 INFO ]: Found error trace [2018-06-22 11:40:32,377 INFO ]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:40:32,377 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:40:32,377 INFO ]: Analyzing trace with hash 1910094381, now seen corresponding path program 1 times [2018-06-22 11:40:32,377 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:40:32,377 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:40:32,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:32,378 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:32,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:40:32,387 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:40:32,387 INFO ]: Advancing trace checker [2018-06-22 11:40:32,387 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:40:32,399 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:40:32,543 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:40:32,551 INFO ]: Computing forward predicates... [2018-06-22 11:40:33,213 INFO ]: Checked inductivity of 58 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-06-22 11:40:33,235 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:40:33,235 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 11:40:33,235 INFO ]: Interpolant automaton has 11 states [2018-06-22 11:40:33,236 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 11:40:33,236 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 11:40:33,236 INFO ]: Start difference. First operand 49 states and 54 transitions. Second operand 11 states. [2018-06-22 11:40:33,558 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:40:33,558 INFO ]: Finished difference Result 58 states and 77 transitions. [2018-06-22 11:40:33,558 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 11:40:33,558 INFO ]: Start accepts. Automaton has 11 states. Word has length 73 [2018-06-22 11:40:33,559 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:40:33,559 INFO ]: With dead ends: 58 [2018-06-22 11:40:33,559 INFO ]: Without dead ends: 0 [2018-06-22 11:40:33,560 INFO ]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-06-22 11:40:33,560 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:40:33,560 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:40:33,560 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:40:33,560 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:40:33,560 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-06-22 11:40:33,560 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:40:33,560 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:40:33,560 INFO ]: Interpolant automaton has 11 states. [2018-06-22 11:40:33,560 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:40:33,560 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:40:33,564 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:40:33 BoogieIcfgContainer [2018-06-22 11:40:33,564 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:40:33,565 INFO ]: Toolchain (without parser) took 2737.34 ms. Allocated memory is still 317.7 MB. Free memory was 263.3 MB in the beginning and 225.8 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:33,567 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 317.7 MB. Free memory is still 283.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:40:33,567 INFO ]: ChcToBoogie took 66.41 ms. Allocated memory is still 317.7 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:33,567 INFO ]: Boogie Preprocessor took 59.04 ms. Allocated memory is still 317.7 MB. Free memory was 260.3 MB in the beginning and 259.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:33,568 INFO ]: RCFGBuilder took 527.28 ms. Allocated memory is still 317.7 MB. Free memory was 259.2 MB in the beginning and 241.2 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:33,569 INFO ]: TraceAbstraction took 2074.81 ms. Allocated memory is still 317.7 MB. Free memory was 240.2 MB in the beginning and 225.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 3.6 GB. [2018-06-22 11:40:33,572 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 317.7 MB. Free memory is still 283.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.41 ms. Allocated memory is still 317.7 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.04 ms. Allocated memory is still 317.7 MB. Free memory was 260.3 MB in the beginning and 259.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 527.28 ms. Allocated memory is still 317.7 MB. Free memory was 259.2 MB in the beginning and 241.2 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2074.81 ms. Allocated memory is still 317.7 MB. Free memory was 240.2 MB in the beginning and 225.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 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 12 procedures, 54 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 129 SDtfs, 8 SDslu, 530 SDs, 0 SdLazy, 221 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 8896 SizeOfPredicates, 1 NumberOfNonLiveVariables, 642 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 58/58 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/indirect03.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-40-33-582.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirect03.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-40-33-582.csv Received shutdown request...