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/eldarica-misc/LIA/HOLA/01.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:47:01,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:47:01,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:47:01,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:47:01,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:47:01,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:47:01,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:47:01,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:47:01,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:47:01,655 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:47:01,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:47:01,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:47:01,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:47:01,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:47:01,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:47:01,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:47:01,665 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:47:01,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:47:01,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:47:01,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:47:01,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:47:01,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:47:01,683 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:47:01,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:47:01,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:47:01,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:47:01,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:47:01,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:47:01,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:47:01,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:47:01,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:47:01,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:47:01,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:47:01,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:47:01,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:47:01,691 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 10:47:01,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:47:01,704 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:47:01,704 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:47:01,704 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:47:01,706 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:47:01,706 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:47:01,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:47:01,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:47:01,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:47:01,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:47:01,707 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:47:01,707 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:47:01,707 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:47:01,708 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:47:01,711 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:47:01,711 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:47:01,767 INFO ]: Repository-Root is: /tmp [2018-06-22 10:47:01,781 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:47:01,786 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:47:01,787 INFO ]: Initializing SmtParser... [2018-06-22 10:47:01,788 INFO ]: SmtParser initialized [2018-06-22 10:47:01,788 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/01.c.smt2 [2018-06-22 10:47:01,789 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 10:47:01,877 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/01.c.smt2 unknown [2018-06-22 10:47:02,203 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/01.c.smt2 [2018-06-22 10:47:02,207 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:47:02,222 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:47:02,222 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:47:02,222 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:47:02,223 INFO ]: ChcToBoogie initialized [2018-06-22 10:47:02,226 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,275 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02 Unit [2018-06-22 10:47:02,276 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:47:02,276 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:47:02,276 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:47:02,276 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:47:02,313 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,313 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,330 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,331 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,344 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,345 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,346 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... [2018-06-22 10:47:02,349 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:47:02,349 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:47:02,349 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:47:02,349 INFO ]: RCFGBuilder initialized [2018-06-22 10:47:02,360 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:47:02,369 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:47:02,369 INFO ]: Found specification of procedure False [2018-06-22 10:47:02,369 INFO ]: Found implementation of procedure False [2018-06-22 10:47:02,369 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:47:02,369 INFO ]: Found specification of procedure h16 [2018-06-22 10:47:02,369 INFO ]: Found implementation of procedure h16 [2018-06-22 10:47:02,369 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:47:02,369 INFO ]: Found specification of procedure h15 [2018-06-22 10:47:02,369 INFO ]: Found implementation of procedure h15 [2018-06-22 10:47:02,369 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:47:02,369 INFO ]: Found specification of procedure h14 [2018-06-22 10:47:02,369 INFO ]: Found implementation of procedure h14 [2018-06-22 10:47:02,369 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:47:02,369 INFO ]: Found specification of procedure h13 [2018-06-22 10:47:02,369 INFO ]: Found implementation of procedure h13 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h12 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h12 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h8 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h8 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h7 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h7 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h6 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h6 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h5 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h5 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h10 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h10 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h11 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h11 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h9 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h9 [2018-06-22 10:47:02,370 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:47:02,370 INFO ]: Found specification of procedure h4 [2018-06-22 10:47:02,370 INFO ]: Found implementation of procedure h4 [2018-06-22 10:47:02,371 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:47:02,371 INFO ]: Found specification of procedure h3 [2018-06-22 10:47:02,371 INFO ]: Found implementation of procedure h3 [2018-06-22 10:47:02,371 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:47:02,371 INFO ]: Found specification of procedure h2 [2018-06-22 10:47:02,371 INFO ]: Found implementation of procedure h2 [2018-06-22 10:47:02,371 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:47:02,371 INFO ]: Found specification of procedure h1 [2018-06-22 10:47:02,371 INFO ]: Found implementation of procedure h1 [2018-06-22 10:47:02,371 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:47:02,371 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:47:02,371 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:47:02,772 INFO ]: Using library mode [2018-06-22 10:47:02,773 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:02 BoogieIcfgContainer [2018-06-22 10:47:02,773 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:47:02,774 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:47:02,774 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:47:02,777 INFO ]: TraceAbstraction initialized [2018-06-22 10:47:02,777 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:02" (1/3) ... [2018-06-22 10:47:02,778 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f392c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:47:02, skipping insertion in model container [2018-06-22 10:47:02,778 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:02" (2/3) ... [2018-06-22 10:47:02,778 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f392c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:47:02, skipping insertion in model container [2018-06-22 10:47:02,778 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:02" (3/3) ... [2018-06-22 10:47:02,780 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:47:02,789 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:47:02,800 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:47:02,840 INFO ]: Using default assertion order modulation [2018-06-22 10:47:02,841 INFO ]: Interprodecural is true [2018-06-22 10:47:02,841 INFO ]: Hoare is false [2018-06-22 10:47:02,841 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:47:02,841 INFO ]: Backedges is TWOTRACK [2018-06-22 10:47:02,841 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:47:02,841 INFO ]: Difference is false [2018-06-22 10:47:02,841 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:47:02,841 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:47:02,856 INFO ]: Start isEmpty. Operand 74 states. [2018-06-22 10:47:02,876 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:47:02,876 INFO ]: Found error trace [2018-06-22 10:47:02,877 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, 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, 1, 1] [2018-06-22 10:47:02,877 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:02,885 INFO ]: Analyzing trace with hash 938349708, now seen corresponding path program 1 times [2018-06-22 10:47:02,887 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:02,887 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:02,919 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:02,919 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:02,919 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:02,992 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:03,245 WARN ]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-06-22 10:47:03,464 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:47:03,466 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:03,466 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:47:03,469 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:47:03,480 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:47:03,480 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:03,482 INFO ]: Start difference. First operand 74 states. Second operand 14 states. [2018-06-22 10:47:04,161 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:04,161 INFO ]: Finished difference Result 88 states and 92 transitions. [2018-06-22 10:47:04,162 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:47:04,163 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:47:04,164 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:04,177 INFO ]: With dead ends: 88 [2018-06-22 10:47:04,177 INFO ]: Without dead ends: 80 [2018-06-22 10:47:04,179 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:04,194 INFO ]: Start minimizeSevpa. Operand 80 states. [2018-06-22 10:47:04,223 INFO ]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-06-22 10:47:04,224 INFO ]: Start removeUnreachable. Operand 80 states. [2018-06-22 10:47:04,226 INFO ]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2018-06-22 10:47:04,227 INFO ]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 57 [2018-06-22 10:47:04,228 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:04,228 INFO ]: Abstraction has 80 states and 84 transitions. [2018-06-22 10:47:04,228 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:47:04,228 INFO ]: Start isEmpty. Operand 80 states and 84 transitions. [2018-06-22 10:47:04,231 INFO ]: Finished isEmpty. Found accepting run of length 82 [2018-06-22 10:47:04,231 INFO ]: Found error trace [2018-06-22 10:47:04,232 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 10:47:04,232 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:04,232 INFO ]: Analyzing trace with hash 1337371162, now seen corresponding path program 1 times [2018-06-22 10:47:04,232 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:04,232 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:04,233 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:04,233 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:04,233 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:04,260 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:04,411 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:04,411 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:04,411 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:47:04,413 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:47:04,413 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:47:04,413 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:47:04,413 INFO ]: Start difference. First operand 80 states and 84 transitions. Second operand 9 states. [2018-06-22 10:47:04,783 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:04,783 INFO ]: Finished difference Result 111 states and 123 transitions. [2018-06-22 10:47:04,786 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:47:04,786 INFO ]: Start accepts. Automaton has 9 states. Word has length 81 [2018-06-22 10:47:04,786 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:04,789 INFO ]: With dead ends: 111 [2018-06-22 10:47:04,789 INFO ]: Without dead ends: 111 [2018-06-22 10:47:04,790 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:47:04,790 INFO ]: Start minimizeSevpa. Operand 111 states. [2018-06-22 10:47:04,806 INFO ]: Finished minimizeSevpa. Reduced states from 111 to 109. [2018-06-22 10:47:04,806 INFO ]: Start removeUnreachable. Operand 109 states. [2018-06-22 10:47:04,809 INFO ]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2018-06-22 10:47:04,809 INFO ]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 81 [2018-06-22 10:47:04,810 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:04,810 INFO ]: Abstraction has 109 states and 120 transitions. [2018-06-22 10:47:04,810 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:47:04,810 INFO ]: Start isEmpty. Operand 109 states and 120 transitions. [2018-06-22 10:47:04,812 INFO ]: Finished isEmpty. Found accepting run of length 82 [2018-06-22 10:47:04,812 INFO ]: Found error trace [2018-06-22 10:47:04,812 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 10:47:04,812 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:04,814 INFO ]: Analyzing trace with hash -276023081, now seen corresponding path program 1 times [2018-06-22 10:47:04,814 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:04,814 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:04,815 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:04,815 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:04,815 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:04,857 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:04,986 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:04,986 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:04,986 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:47:04,987 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:47:04,987 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:47:04,987 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:47:04,987 INFO ]: Start difference. First operand 109 states and 120 transitions. Second operand 9 states. [2018-06-22 10:47:05,242 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:05,242 INFO ]: Finished difference Result 126 states and 149 transitions. [2018-06-22 10:47:05,243 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:47:05,243 INFO ]: Start accepts. Automaton has 9 states. Word has length 81 [2018-06-22 10:47:05,244 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:05,244 INFO ]: With dead ends: 126 [2018-06-22 10:47:05,244 INFO ]: Without dead ends: 0 [2018-06-22 10:47:05,245 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:47:05,245 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:47:05,245 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:47:05,245 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:47:05,245 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:47:05,245 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2018-06-22 10:47:05,245 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:05,245 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:47:05,245 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:47:05,245 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:47:05,245 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:47:05,250 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:47:05 BoogieIcfgContainer [2018-06-22 10:47:05,250 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:47:05,251 INFO ]: Toolchain (without parser) took 3043.34 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 256.7 MB in the beginning and 201.5 MB in the end (delta: 55.2 MB). Peak memory consumption was 73.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:05,252 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:47:05,253 INFO ]: ChcToBoogie took 53.43 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:05,253 INFO ]: Boogie Preprocessor took 72.73 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 252.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 10:47:05,254 INFO ]: RCFGBuilder took 423.28 ms. Allocated memory is still 309.3 MB. Free memory was 252.7 MB in the beginning and 235.7 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:05,254 INFO ]: TraceAbstraction took 2476.31 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 235.7 MB in the beginning and 201.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 52.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:05,257 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 53.43 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 253.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.73 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 252.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 423.28 ms. Allocated memory is still 309.3 MB. Free memory was 252.7 MB in the beginning and 235.7 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2476.31 ms. Allocated memory was 309.3 MB in the beginning and 327.7 MB in the end (delta: 18.4 MB). Free memory was 235.7 MB in the beginning and 201.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 52.5 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 18 procedures, 74 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 233 SDtfs, 16 SDslu, 1864 SDs, 0 SdLazy, 381 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 25240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 30/30 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/01.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-47-05-267.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/01.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-47-05-267.csv Received shutdown request...