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/35.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:54:31,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:54:31,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:54:31,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:54:31,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:54:31,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:54:31,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:54:31,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:54:31,209 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:54:31,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:54:31,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:54:31,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:54:31,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:54:31,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:54:31,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:54:31,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:54:31,219 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:54:31,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:54:31,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:54:31,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:54:31,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:54:31,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:54:31,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:54:31,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:54:31,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:54:31,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:54:31,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:54:31,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:54:31,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:54:31,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:54:31,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:54:31,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:54:31,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:54:31,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:54:31,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:54:31,251 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 10:54:31,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:54:31,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:54:31,268 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:54:31,268 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:54:31,269 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:54:31,269 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:54:31,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:54:31,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:54:31,270 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:54:31,270 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:54:31,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:54:31,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:54:31,271 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:54:31,271 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:54:31,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:54:31,271 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:54:31,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:54:31,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:54:31,272 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:54:31,273 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:54:31,273 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:54:31,323 INFO ]: Repository-Root is: /tmp [2018-06-22 10:54:31,339 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:54:31,346 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:54:31,347 INFO ]: Initializing SmtParser... [2018-06-22 10:54:31,347 INFO ]: SmtParser initialized [2018-06-22 10:54:31,348 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/35.c.smt2 [2018-06-22 10:54:31,350 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 10:54:31,439 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/35.c.smt2 unknown [2018-06-22 10:54:31,728 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/35.c.smt2 [2018-06-22 10:54:31,733 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:54:31,739 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:54:31,739 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:54:31,739 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:54:31,739 INFO ]: ChcToBoogie initialized [2018-06-22 10:54:31,742 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,804 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31 Unit [2018-06-22 10:54:31,804 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:54:31,805 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:54:31,805 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:54:31,805 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:54:31,831 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,831 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,840 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,840 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,844 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,847 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,851 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (1/1) ... [2018-06-22 10:54:31,853 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:54:31,854 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:54:31,854 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:54:31,854 INFO ]: RCFGBuilder initialized [2018-06-22 10:54:31,855 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (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 10:54:31,865 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure False [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure False [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h17 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h17 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h14 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h14 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h13 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h13 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h12 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h12 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h11 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h11 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h10 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h10 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:54:31,865 INFO ]: Found specification of procedure h9 [2018-06-22 10:54:31,865 INFO ]: Found implementation of procedure h9 [2018-06-22 10:54:31,865 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h6 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h6 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h5 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h5 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h8 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h8 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h7 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h7 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h4 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h4 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h3 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h3 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h2 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h2 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h1 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h1 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure h18 [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure h18 [2018-06-22 10:54:31,866 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:54:31,866 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:54:31,866 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:54:32,166 INFO ]: Using library mode [2018-06-22 10:54:32,166 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:54:32 BoogieIcfgContainer [2018-06-22 10:54:32,166 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:54:32,171 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:54:32,171 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:54:32,174 INFO ]: TraceAbstraction initialized [2018-06-22 10:54:32,174 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:54:31" (1/3) ... [2018-06-22 10:54:32,175 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38782735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:54:32, skipping insertion in model container [2018-06-22 10:54:32,175 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:54:31" (2/3) ... [2018-06-22 10:54:32,176 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38782735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:54:32, skipping insertion in model container [2018-06-22 10:54:32,176 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:54:32" (3/3) ... [2018-06-22 10:54:32,177 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:54:32,186 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:54:32,192 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:54:32,232 INFO ]: Using default assertion order modulation [2018-06-22 10:54:32,232 INFO ]: Interprodecural is true [2018-06-22 10:54:32,232 INFO ]: Hoare is false [2018-06-22 10:54:32,232 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:54:32,232 INFO ]: Backedges is TWOTRACK [2018-06-22 10:54:32,232 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:54:32,232 INFO ]: Difference is false [2018-06-22 10:54:32,232 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:54:32,232 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:54:32,247 INFO ]: Start isEmpty. Operand 74 states. [2018-06-22 10:54:32,260 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:54:32,260 INFO ]: Found error trace [2018-06-22 10:54:32,261 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 10:54:32,261 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:32,265 INFO ]: Analyzing trace with hash 476959277, now seen corresponding path program 1 times [2018-06-22 10:54:32,266 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:32,266 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:32,298 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:32,298 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:32,298 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:32,354 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:33,086 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:54:33,088 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:33,088 INFO ]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-06-22 10:54:33,090 INFO ]: Interpolant automaton has 15 states [2018-06-22 10:54:33,101 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-22 10:54:33,101 INFO ]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:54:33,104 INFO ]: Start difference. First operand 74 states. Second operand 15 states. [2018-06-22 10:54:33,692 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:33,693 INFO ]: Finished difference Result 88 states and 92 transitions. [2018-06-22 10:54:33,693 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 10:54:33,694 INFO ]: Start accepts. Automaton has 15 states. Word has length 57 [2018-06-22 10:54:33,694 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:33,705 INFO ]: With dead ends: 88 [2018-06-22 10:54:33,705 INFO ]: Without dead ends: 88 [2018-06-22 10:54:33,709 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:54:33,727 INFO ]: Start minimizeSevpa. Operand 88 states. [2018-06-22 10:54:33,771 INFO ]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-06-22 10:54:33,772 INFO ]: Start removeUnreachable. Operand 88 states. [2018-06-22 10:54:33,776 INFO ]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2018-06-22 10:54:33,777 INFO ]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 57 [2018-06-22 10:54:33,779 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:33,779 INFO ]: Abstraction has 88 states and 92 transitions. [2018-06-22 10:54:33,779 INFO ]: Interpolant automaton has 15 states. [2018-06-22 10:54:33,779 INFO ]: Start isEmpty. Operand 88 states and 92 transitions. [2018-06-22 10:54:33,782 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:54:33,782 INFO ]: Found error trace [2018-06-22 10:54:33,782 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, 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 10:54:33,784 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:33,784 INFO ]: Analyzing trace with hash 847060208, now seen corresponding path program 1 times [2018-06-22 10:54:33,784 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:33,784 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:33,785 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:33,785 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:33,785 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:33,818 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:34,232 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:54:34,232 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:34,232 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:54:34,234 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:54:34,234 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:54:34,234 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:54:34,234 INFO ]: Start difference. First operand 88 states and 92 transitions. Second operand 9 states. [2018-06-22 10:54:34,331 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:34,331 INFO ]: Finished difference Result 86 states and 88 transitions. [2018-06-22 10:54:34,332 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:54:34,332 INFO ]: Start accepts. Automaton has 9 states. Word has length 57 [2018-06-22 10:54:34,333 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:34,334 INFO ]: With dead ends: 86 [2018-06-22 10:54:34,334 INFO ]: Without dead ends: 71 [2018-06-22 10:54:34,335 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:54:34,335 INFO ]: Start minimizeSevpa. Operand 71 states. [2018-06-22 10:54:34,343 INFO ]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-06-22 10:54:34,343 INFO ]: Start removeUnreachable. Operand 71 states. [2018-06-22 10:54:34,345 INFO ]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-06-22 10:54:34,345 INFO ]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 57 [2018-06-22 10:54:34,345 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:34,345 INFO ]: Abstraction has 71 states and 72 transitions. [2018-06-22 10:54:34,345 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:54:34,345 INFO ]: Start isEmpty. Operand 71 states and 72 transitions. [2018-06-22 10:54:34,347 INFO ]: Finished isEmpty. Found accepting run of length 74 [2018-06-22 10:54:34,347 INFO ]: Found error trace [2018-06-22 10:54:34,347 INFO ]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:54:34,347 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:54:34,347 INFO ]: Analyzing trace with hash 1879010357, now seen corresponding path program 1 times [2018-06-22 10:54:34,347 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:54:34,347 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:54:34,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:34,350 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:54:34,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:54:34,374 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:54:34,603 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:54:34,603 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:54:34,603 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:54:34,604 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:54:34,604 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:54:34,604 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:54:34,604 INFO ]: Start difference. First operand 71 states and 72 transitions. Second operand 14 states. [2018-06-22 10:54:35,067 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:54:35,067 INFO ]: Finished difference Result 76 states and 81 transitions. [2018-06-22 10:54:35,087 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 10:54:35,088 INFO ]: Start accepts. Automaton has 14 states. Word has length 73 [2018-06-22 10:54:35,088 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:54:35,088 INFO ]: With dead ends: 76 [2018-06-22 10:54:35,088 INFO ]: Without dead ends: 0 [2018-06-22 10:54:35,089 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:54:35,089 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:54:35,089 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:54:35,089 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:54:35,089 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:54:35,089 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2018-06-22 10:54:35,089 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:54:35,089 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:54:35,089 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:54:35,089 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:54:35,089 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:54:35,093 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:54:35 BoogieIcfgContainer [2018-06-22 10:54:35,093 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:54:35,093 INFO ]: Toolchain (without parser) took 3359.87 ms. Allocated memory was 309.3 MB in the beginning and 326.6 MB in the end (delta: 17.3 MB). Free memory was 261.7 MB in the beginning and 204.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 74.9 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:35,095 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:54:35,095 INFO ]: ChcToBoogie took 65.14 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:35,096 INFO ]: Boogie Preprocessor took 48.86 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:35,096 INFO ]: RCFGBuilder took 312.45 ms. Allocated memory is still 309.3 MB. Free memory was 257.7 MB in the beginning and 245.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:35,097 INFO ]: TraceAbstraction took 2921.84 ms. Allocated memory was 309.3 MB in the beginning and 326.6 MB in the end (delta: 17.3 MB). Free memory was 245.7 MB in the beginning and 204.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 58.9 MB. Max. memory is 3.6 GB. [2018-06-22 10:54:35,100 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 65.14 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 48.86 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 312.45 ms. Allocated memory is still 309.3 MB. Free memory was 257.7 MB in the beginning and 245.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 2921.84 ms. Allocated memory was 309.3 MB in the beginning and 326.6 MB in the end (delta: 17.3 MB). Free memory was 245.7 MB in the beginning and 204.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 58.9 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, 2.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 191 SDtfs, 8 SDslu, 1887 SDs, 0 SdLazy, 411 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=1, 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, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 21256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 7/7 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/35.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-54-35-110.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/35.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-54-35-110.csv Received shutdown request...