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/02.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:47:08,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:47:08,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:47:08,023 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:47:08,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:47:08,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:47:08,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:47:08,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:47:08,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:47:08,032 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:47:08,033 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:47:08,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:47:08,034 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:47:08,035 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:47:08,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:47:08,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:47:08,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:47:08,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:47:08,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:47:08,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:47:08,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:47:08,059 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:47:08,059 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:47:08,059 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:47:08,060 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:47:08,061 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:47:08,061 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:47:08,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:47:08,064 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:47:08,064 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:47:08,064 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:47:08,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:47:08,065 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:47:08,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:47:08,069 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:47:08,070 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 10:47:08,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:47:08,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:47:08,089 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:47:08,089 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:47:08,091 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:47:08,091 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:47:08,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:47:08,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:47:08,092 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:47:08,092 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:47:08,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:47:08,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:47:08,092 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:47:08,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:47:08,093 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:47:08,093 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:47:08,093 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:47:08,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:47:08,093 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:47:08,095 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:47:08,095 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:47:08,146 INFO ]: Repository-Root is: /tmp [2018-06-22 10:47:08,160 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:47:08,165 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:47:08,167 INFO ]: Initializing SmtParser... [2018-06-22 10:47:08,167 INFO ]: SmtParser initialized [2018-06-22 10:47:08,168 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/02.c.smt2 [2018-06-22 10:47:08,169 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 10:47:08,255 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/02.c.smt2 unknown [2018-06-22 10:47:08,788 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/02.c.smt2 [2018-06-22 10:47:08,792 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:47:08,798 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:47:08,798 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:47:08,798 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:47:08,799 INFO ]: ChcToBoogie initialized [2018-06-22 10:47:08,804 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,864 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08 Unit [2018-06-22 10:47:08,864 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:47:08,865 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:47:08,865 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:47:08,865 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:47:08,891 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,891 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,906 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,906 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,923 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,925 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,927 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (1/1) ... [2018-06-22 10:47:08,940 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:47:08,940 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:47:08,940 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:47:08,940 INFO ]: RCFGBuilder initialized [2018-06-22 10:47:08,941 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (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 10:47:08,967 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure False [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure False [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h23 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h23 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h21 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h21 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h14 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h14 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h13 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h13 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h12 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h12 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h8 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h8 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h7 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h7 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h6 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h6 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h5 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h5 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:47:08,968 INFO ]: Found specification of procedure h4 [2018-06-22 10:47:08,968 INFO ]: Found implementation of procedure h4 [2018-06-22 10:47:08,968 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h3 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h3 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h2 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h2 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h1 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h1 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h19 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h19 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h17 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h17 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h16 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h16 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h15 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h15 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h10 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h10 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h9 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h9 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h11 [2018-06-22 10:47:08,969 INFO ]: Found implementation of procedure h11 [2018-06-22 10:47:08,969 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:47:08,969 INFO ]: Found specification of procedure h20 [2018-06-22 10:47:08,970 INFO ]: Found implementation of procedure h20 [2018-06-22 10:47:08,970 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:47:08,970 INFO ]: Found specification of procedure h18 [2018-06-22 10:47:08,970 INFO ]: Found implementation of procedure h18 [2018-06-22 10:47:08,970 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:47:08,970 INFO ]: Found specification of procedure h22 [2018-06-22 10:47:08,970 INFO ]: Found implementation of procedure h22 [2018-06-22 10:47:08,970 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:47:08,970 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:47:08,970 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:47:09,649 INFO ]: Using library mode [2018-06-22 10:47:09,650 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:09 BoogieIcfgContainer [2018-06-22 10:47:09,650 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:47:09,651 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:47:09,651 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:47:09,654 INFO ]: TraceAbstraction initialized [2018-06-22 10:47:09,654 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:08" (1/3) ... [2018-06-22 10:47:09,655 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ab9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:47:09, skipping insertion in model container [2018-06-22 10:47:09,655 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:08" (2/3) ... [2018-06-22 10:47:09,656 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ab9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:47:09, skipping insertion in model container [2018-06-22 10:47:09,656 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:09" (3/3) ... [2018-06-22 10:47:09,661 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:47:09,670 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:47:09,676 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:47:09,709 INFO ]: Using default assertion order modulation [2018-06-22 10:47:09,710 INFO ]: Interprodecural is true [2018-06-22 10:47:09,710 INFO ]: Hoare is false [2018-06-22 10:47:09,710 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:47:09,710 INFO ]: Backedges is TWOTRACK [2018-06-22 10:47:09,710 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:47:09,710 INFO ]: Difference is false [2018-06-22 10:47:09,710 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:47:09,710 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:47:09,728 INFO ]: Start isEmpty. Operand 105 states. [2018-06-22 10:47:09,754 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:47:09,754 INFO ]: Found error trace [2018-06-22 10:47:09,755 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 10:47:09,756 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:09,760 INFO ]: Analyzing trace with hash 1570956950, now seen corresponding path program 1 times [2018-06-22 10:47:09,762 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:09,762 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:09,797 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:09,797 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:09,797 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:09,894 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:10,215 WARN ]: Spent 107.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-06-22 10:47:11,214 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:47:11,217 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:11,217 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:47:11,219 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:47:11,235 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:47:11,236 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:11,238 INFO ]: Start difference. First operand 105 states. Second operand 14 states. [2018-06-22 10:47:11,708 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:11,709 INFO ]: Finished difference Result 119 states and 130 transitions. [2018-06-22 10:47:11,709 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:47:11,710 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:47:11,710 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:11,721 INFO ]: With dead ends: 119 [2018-06-22 10:47:11,721 INFO ]: Without dead ends: 119 [2018-06-22 10:47:11,722 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:11,737 INFO ]: Start minimizeSevpa. Operand 119 states. [2018-06-22 10:47:11,773 INFO ]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-06-22 10:47:11,774 INFO ]: Start removeUnreachable. Operand 119 states. [2018-06-22 10:47:11,777 INFO ]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions. [2018-06-22 10:47:11,778 INFO ]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 57 [2018-06-22 10:47:11,778 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:11,779 INFO ]: Abstraction has 119 states and 130 transitions. [2018-06-22 10:47:11,779 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:47:11,779 INFO ]: Start isEmpty. Operand 119 states and 130 transitions. [2018-06-22 10:47:11,782 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:47:11,782 INFO ]: Found error trace [2018-06-22 10:47:11,782 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 10:47:11,782 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:11,782 INFO ]: Analyzing trace with hash -1694858215, now seen corresponding path program 1 times [2018-06-22 10:47:11,782 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:11,782 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:11,783 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:11,783 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:11,783 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:11,809 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:12,119 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:47:12,120 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:12,120 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:47:12,122 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:47:12,122 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:47:12,122 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:12,122 INFO ]: Start difference. First operand 119 states and 130 transitions. Second operand 14 states. [2018-06-22 10:47:12,595 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:12,595 INFO ]: Finished difference Result 119 states and 129 transitions. [2018-06-22 10:47:12,596 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:47:12,596 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:47:12,597 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:12,599 INFO ]: With dead ends: 119 [2018-06-22 10:47:12,599 INFO ]: Without dead ends: 111 [2018-06-22 10:47:12,600 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:12,600 INFO ]: Start minimizeSevpa. Operand 111 states. [2018-06-22 10:47:12,631 INFO ]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-06-22 10:47:12,631 INFO ]: Start removeUnreachable. Operand 111 states. [2018-06-22 10:47:12,633 INFO ]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2018-06-22 10:47:12,633 INFO ]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 57 [2018-06-22 10:47:12,634 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:12,634 INFO ]: Abstraction has 111 states and 121 transitions. [2018-06-22 10:47:12,634 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:47:12,634 INFO ]: Start isEmpty. Operand 111 states and 121 transitions. [2018-06-22 10:47:12,637 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:12,637 INFO ]: Found error trace [2018-06-22 10:47:12,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:12,637 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:12,637 INFO ]: Analyzing trace with hash 1141745512, now seen corresponding path program 1 times [2018-06-22 10:47:12,637 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:12,637 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:12,638 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:12,638 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:12,638 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:12,664 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:12,854 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:12,854 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:12,854 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:12,855 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:12,855 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:12,855 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:12,855 INFO ]: Start difference. First operand 111 states and 121 transitions. Second operand 12 states. [2018-06-22 10:47:13,137 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:13,137 INFO ]: Finished difference Result 156 states and 183 transitions. [2018-06-22 10:47:13,137 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:13,137 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:13,138 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:13,140 INFO ]: With dead ends: 156 [2018-06-22 10:47:13,141 INFO ]: Without dead ends: 156 [2018-06-22 10:47:13,141 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:13,141 INFO ]: Start minimizeSevpa. Operand 156 states. [2018-06-22 10:47:13,157 INFO ]: Finished minimizeSevpa. Reduced states from 156 to 154. [2018-06-22 10:47:13,158 INFO ]: Start removeUnreachable. Operand 154 states. [2018-06-22 10:47:13,160 INFO ]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2018-06-22 10:47:13,161 INFO ]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 93 [2018-06-22 10:47:13,161 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:13,161 INFO ]: Abstraction has 154 states and 180 transitions. [2018-06-22 10:47:13,161 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:13,161 INFO ]: Start isEmpty. Operand 154 states and 180 transitions. [2018-06-22 10:47:13,165 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:13,166 INFO ]: Found error trace [2018-06-22 10:47:13,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:13,166 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:13,166 INFO ]: Analyzing trace with hash -268024539, now seen corresponding path program 1 times [2018-06-22 10:47:13,167 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:13,167 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:13,167 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:13,167 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:13,167 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:13,193 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:13,371 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:13,372 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:13,372 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:13,372 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:13,372 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:13,372 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:13,372 INFO ]: Start difference. First operand 154 states and 180 transitions. Second operand 12 states. [2018-06-22 10:47:13,751 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:13,751 INFO ]: Finished difference Result 209 states and 256 transitions. [2018-06-22 10:47:13,752 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:13,752 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:13,752 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:13,756 INFO ]: With dead ends: 209 [2018-06-22 10:47:13,756 INFO ]: Without dead ends: 197 [2018-06-22 10:47:13,756 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:13,756 INFO ]: Start minimizeSevpa. Operand 197 states. [2018-06-22 10:47:13,784 INFO ]: Finished minimizeSevpa. Reduced states from 197 to 179. [2018-06-22 10:47:13,784 INFO ]: Start removeUnreachable. Operand 179 states. [2018-06-22 10:47:13,787 INFO ]: Finished removeUnreachable. Reduced from 179 states to 179 states and 211 transitions. [2018-06-22 10:47:13,787 INFO ]: Start accepts. Automaton has 179 states and 211 transitions. Word has length 93 [2018-06-22 10:47:13,788 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:13,788 INFO ]: Abstraction has 179 states and 211 transitions. [2018-06-22 10:47:13,788 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:13,788 INFO ]: Start isEmpty. Operand 179 states and 211 transitions. [2018-06-22 10:47:13,791 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:13,791 INFO ]: Found error trace [2018-06-22 10:47:13,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:13,791 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:13,791 INFO ]: Analyzing trace with hash -1054055608, now seen corresponding path program 1 times [2018-06-22 10:47:13,791 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:13,791 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:13,792 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:13,792 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:13,792 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:13,809 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:14,033 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:14,033 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:14,033 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:14,033 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:14,033 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:14,033 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:14,034 INFO ]: Start difference. First operand 179 states and 211 transitions. Second operand 12 states. [2018-06-22 10:47:14,247 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:14,247 INFO ]: Finished difference Result 227 states and 257 transitions. [2018-06-22 10:47:14,247 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:14,247 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:14,247 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:14,250 INFO ]: With dead ends: 227 [2018-06-22 10:47:14,250 INFO ]: Without dead ends: 217 [2018-06-22 10:47:14,250 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:14,250 INFO ]: Start minimizeSevpa. Operand 217 states. [2018-06-22 10:47:14,266 INFO ]: Finished minimizeSevpa. Reduced states from 217 to 185. [2018-06-22 10:47:14,266 INFO ]: Start removeUnreachable. Operand 185 states. [2018-06-22 10:47:14,269 INFO ]: Finished removeUnreachable. Reduced from 185 states to 185 states and 214 transitions. [2018-06-22 10:47:14,269 INFO ]: Start accepts. Automaton has 185 states and 214 transitions. Word has length 93 [2018-06-22 10:47:14,269 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:14,269 INFO ]: Abstraction has 185 states and 214 transitions. [2018-06-22 10:47:14,269 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:14,269 INFO ]: Start isEmpty. Operand 185 states and 214 transitions. [2018-06-22 10:47:14,272 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:14,272 INFO ]: Found error trace [2018-06-22 10:47:14,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:14,272 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:14,272 INFO ]: Analyzing trace with hash 1709524360, now seen corresponding path program 1 times [2018-06-22 10:47:14,272 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:14,272 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:14,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:14,273 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:14,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:14,293 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:14,845 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:14,845 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:14,862 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:14,863 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:14,863 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:14,863 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:14,863 INFO ]: Start difference. First operand 185 states and 214 transitions. Second operand 12 states. [2018-06-22 10:47:15,023 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:15,024 INFO ]: Finished difference Result 219 states and 252 transitions. [2018-06-22 10:47:15,024 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:15,024 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:15,025 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:15,027 INFO ]: With dead ends: 219 [2018-06-22 10:47:15,027 INFO ]: Without dead ends: 206 [2018-06-22 10:47:15,027 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:15,027 INFO ]: Start minimizeSevpa. Operand 206 states. [2018-06-22 10:47:15,039 INFO ]: Finished minimizeSevpa. Reduced states from 206 to 194. [2018-06-22 10:47:15,039 INFO ]: Start removeUnreachable. Operand 194 states. [2018-06-22 10:47:15,041 INFO ]: Finished removeUnreachable. Reduced from 194 states to 194 states and 223 transitions. [2018-06-22 10:47:15,041 INFO ]: Start accepts. Automaton has 194 states and 223 transitions. Word has length 93 [2018-06-22 10:47:15,041 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:15,041 INFO ]: Abstraction has 194 states and 223 transitions. [2018-06-22 10:47:15,041 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:15,041 INFO ]: Start isEmpty. Operand 194 states and 223 transitions. [2018-06-22 10:47:15,043 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:47:15,043 INFO ]: Found error trace [2018-06-22 10:47:15,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:15,044 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:15,044 INFO ]: Analyzing trace with hash 2047502641, now seen corresponding path program 1 times [2018-06-22 10:47:15,044 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:15,044 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:15,045 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:15,045 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:15,045 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:15,064 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:15,318 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:15,318 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:15,318 INFO ]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-06-22 10:47:15,319 INFO ]: Interpolant automaton has 13 states [2018-06-22 10:47:15,319 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 10:47:15,319 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:47:15,319 INFO ]: Start difference. First operand 194 states and 223 transitions. Second operand 13 states. [2018-06-22 10:47:15,697 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:15,697 INFO ]: Finished difference Result 232 states and 267 transitions. [2018-06-22 10:47:15,698 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 10:47:15,698 INFO ]: Start accepts. Automaton has 13 states. Word has length 97 [2018-06-22 10:47:15,698 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:15,700 INFO ]: With dead ends: 232 [2018-06-22 10:47:15,700 INFO ]: Without dead ends: 222 [2018-06-22 10:47:15,700 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:47:15,700 INFO ]: Start minimizeSevpa. Operand 222 states. [2018-06-22 10:47:15,713 INFO ]: Finished minimizeSevpa. Reduced states from 222 to 210. [2018-06-22 10:47:15,713 INFO ]: Start removeUnreachable. Operand 210 states. [2018-06-22 10:47:15,715 INFO ]: Finished removeUnreachable. Reduced from 210 states to 210 states and 244 transitions. [2018-06-22 10:47:15,715 INFO ]: Start accepts. Automaton has 210 states and 244 transitions. Word has length 97 [2018-06-22 10:47:15,715 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:15,715 INFO ]: Abstraction has 210 states and 244 transitions. [2018-06-22 10:47:15,716 INFO ]: Interpolant automaton has 13 states. [2018-06-22 10:47:15,716 INFO ]: Start isEmpty. Operand 210 states and 244 transitions. [2018-06-22 10:47:15,718 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:47:15,718 INFO ]: Found error trace [2018-06-22 10:47:15,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:47:15,718 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:15,718 INFO ]: Analyzing trace with hash 173181870, now seen corresponding path program 1 times [2018-06-22 10:47:15,718 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:15,718 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:15,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:15,719 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:15,719 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:15,750 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:16,063 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:16,063 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:16,063 INFO ]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-06-22 10:47:16,064 INFO ]: Interpolant automaton has 13 states [2018-06-22 10:47:16,064 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 10:47:16,064 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:47:16,064 INFO ]: Start difference. First operand 210 states and 244 transitions. Second operand 13 states. [2018-06-22 10:47:16,374 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:16,374 INFO ]: Finished difference Result 222 states and 262 transitions. [2018-06-22 10:47:16,375 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 10:47:16,375 INFO ]: Start accepts. Automaton has 13 states. Word has length 97 [2018-06-22 10:47:16,375 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:16,375 INFO ]: With dead ends: 222 [2018-06-22 10:47:16,375 INFO ]: Without dead ends: 0 [2018-06-22 10:47:16,376 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:47:16,376 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:47:16,376 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:47:16,376 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:47:16,376 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:47:16,376 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2018-06-22 10:47:16,376 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:16,376 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:47:16,376 INFO ]: Interpolant automaton has 13 states. [2018-06-22 10:47:16,376 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:47:16,376 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:47:16,380 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:47:16 BoogieIcfgContainer [2018-06-22 10:47:16,380 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:47:16,380 INFO ]: Toolchain (without parser) took 7587.84 ms. Allocated memory was 303.0 MB in the beginning and 391.1 MB in the end (delta: 88.1 MB). Free memory was 237.4 MB in the beginning and 283.0 MB in the end (delta: -45.6 MB). Peak memory consumption was 42.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:16,381 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:47:16,381 INFO ]: ChcToBoogie took 66.30 ms. Allocated memory is still 303.0 MB. Free memory was 237.4 MB in the beginning and 234.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:16,382 INFO ]: Boogie Preprocessor took 74.57 ms. Allocated memory is still 303.0 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 10:47:16,382 INFO ]: RCFGBuilder took 709.45 ms. Allocated memory is still 303.0 MB. Free memory was 233.4 MB in the beginning and 204.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:16,382 INFO ]: TraceAbstraction took 6728.53 ms. Allocated memory was 303.0 MB in the beginning and 391.1 MB in the end (delta: 88.1 MB). Free memory was 204.2 MB in the beginning and 283.0 MB in the end (delta: -78.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:16,386 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 303.0 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.30 ms. Allocated memory is still 303.0 MB. Free memory was 237.4 MB in the beginning and 234.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.57 ms. Allocated memory is still 303.0 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 709.45 ms. Allocated memory is still 303.0 MB. Free memory was 233.4 MB in the beginning and 204.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 6728.53 ms. Allocated memory was 303.0 MB in the beginning and 391.1 MB in the end (delta: 88.1 MB). Free memory was 204.2 MB in the beginning and 283.0 MB in the end (delta: -78.8 MB). Peak memory consumption was 9.3 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 25 procedures, 105 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1025 SDtfs, 81 SDslu, 10599 SDs, 0 SdLazy, 1861 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 76 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 109104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 90/90 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/02.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-47-16-398.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/02.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-47-16-398.csv Received shutdown request...