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/05.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:47:32,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:47:32,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:47:32,618 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:47:32,618 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:47:32,619 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:47:32,620 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:47:32,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:47:32,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:47:32,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:47:32,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:47:32,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:47:32,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:47:32,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:47:32,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:47:32,630 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:47:32,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:47:32,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:47:32,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:47:32,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:47:32,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:47:32,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:47:32,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:47:32,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:47:32,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:47:32,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:47:32,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:47:32,643 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:47:32,644 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:47:32,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:47:32,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:47:32,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:47:32,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:47:32,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:47:32,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:47:32,648 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 10:47:32,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:47:32,662 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:47:32,662 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:47:32,662 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:47:32,663 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:47:32,663 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:47:32,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:47:32,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:47:32,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:47:32,664 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:47:32,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:47:32,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:47:32,665 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:47:32,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:47:32,665 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:47:32,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:47:32,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:47:32,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:47:32,666 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:47:32,667 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:47:32,667 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:47:32,717 INFO ]: Repository-Root is: /tmp [2018-06-22 10:47:32,731 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:47:32,735 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:47:32,738 INFO ]: Initializing SmtParser... [2018-06-22 10:47:32,738 INFO ]: SmtParser initialized [2018-06-22 10:47:32,739 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/05.c.smt2 [2018-06-22 10:47:32,740 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 10:47:32,830 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/05.c.smt2 unknown [2018-06-22 10:47:33,313 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/05.c.smt2 [2018-06-22 10:47:33,317 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:47:33,327 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:47:33,337 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:47:33,337 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:47:33,337 INFO ]: ChcToBoogie initialized [2018-06-22 10:47:33,344 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,397 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33 Unit [2018-06-22 10:47:33,397 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:47:33,398 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:47:33,398 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:47:33,398 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:47:33,417 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,417 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,432 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,432 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,447 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,449 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,451 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (1/1) ... [2018-06-22 10:47:33,466 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:47:33,466 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:47:33,466 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:47:33,466 INFO ]: RCFGBuilder initialized [2018-06-22 10:47:33,467 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (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 10:47:33,483 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:47:33,483 INFO ]: Found specification of procedure False [2018-06-22 10:47:33,483 INFO ]: Found implementation of procedure False [2018-06-22 10:47:33,483 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:47:33,483 INFO ]: Found specification of procedure h21 [2018-06-22 10:47:33,483 INFO ]: Found implementation of procedure h21 [2018-06-22 10:47:33,483 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:47:33,483 INFO ]: Found specification of procedure h20 [2018-06-22 10:47:33,483 INFO ]: Found implementation of procedure h20 [2018-06-22 10:47:33,483 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:47:33,483 INFO ]: Found specification of procedure h14 [2018-06-22 10:47:33,483 INFO ]: Found implementation of procedure h14 [2018-06-22 10:47:33,483 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:47:33,483 INFO ]: Found specification of procedure h13 [2018-06-22 10:47:33,483 INFO ]: Found implementation of procedure h13 [2018-06-22 10:47:33,483 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h12 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h12 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h8 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h8 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h7 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h7 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h6 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h6 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h5 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h5 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h4 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h4 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h3 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h3 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h2 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h2 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h1 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h1 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h19 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h19 [2018-06-22 10:47:33,484 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:47:33,484 INFO ]: Found specification of procedure h15 [2018-06-22 10:47:33,484 INFO ]: Found implementation of procedure h15 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h10 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h10 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h11 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h11 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h9 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h9 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h17 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h17 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h16 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h16 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure h18 [2018-06-22 10:47:33,485 INFO ]: Found implementation of procedure h18 [2018-06-22 10:47:33,485 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:47:33,485 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:47:33,485 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 10:47:33,964 INFO ]: Using library mode [2018-06-22 10:47:33,964 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:33 BoogieIcfgContainer [2018-06-22 10:47:33,964 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:47:33,966 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:47:33,966 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:47:33,969 INFO ]: TraceAbstraction initialized [2018-06-22 10:47:33,969 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:47:33" (1/3) ... [2018-06-22 10:47:33,970 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6053f41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:47:33, skipping insertion in model container [2018-06-22 10:47:33,970 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:47:33" (2/3) ... [2018-06-22 10:47:33,970 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6053f41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:47:33, skipping insertion in model container [2018-06-22 10:47:33,970 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:47:33" (3/3) ... [2018-06-22 10:47:33,972 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:47:33,981 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:47:33,993 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:47:34,040 INFO ]: Using default assertion order modulation [2018-06-22 10:47:34,040 INFO ]: Interprodecural is true [2018-06-22 10:47:34,040 INFO ]: Hoare is false [2018-06-22 10:47:34,040 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:47:34,040 INFO ]: Backedges is TWOTRACK [2018-06-22 10:47:34,040 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:47:34,040 INFO ]: Difference is false [2018-06-22 10:47:34,040 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:47:34,041 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:47:34,071 INFO ]: Start isEmpty. Operand 96 states. [2018-06-22 10:47:34,094 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:47:34,094 INFO ]: Found error trace [2018-06-22 10:47:34,096 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 10:47:34,097 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:34,100 INFO ]: Analyzing trace with hash 963126702, now seen corresponding path program 1 times [2018-06-22 10:47:34,101 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:34,102 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:34,139 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:34,139 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:34,139 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:34,254 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:35,357 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:47:35,359 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:35,359 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:47:35,361 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:47:35,376 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:47:35,377 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:35,379 INFO ]: Start difference. First operand 96 states. Second operand 14 states. [2018-06-22 10:47:35,709 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:35,709 INFO ]: Finished difference Result 110 states and 118 transitions. [2018-06-22 10:47:35,709 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:47:35,710 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:47:35,711 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:35,720 INFO ]: With dead ends: 110 [2018-06-22 10:47:35,721 INFO ]: Without dead ends: 102 [2018-06-22 10:47:35,722 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:47:35,735 INFO ]: Start minimizeSevpa. Operand 102 states. [2018-06-22 10:47:35,767 INFO ]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-06-22 10:47:35,768 INFO ]: Start removeUnreachable. Operand 102 states. [2018-06-22 10:47:35,771 INFO ]: Finished removeUnreachable. Reduced from 102 states to 102 states and 110 transitions. [2018-06-22 10:47:35,772 INFO ]: Start accepts. Automaton has 102 states and 110 transitions. Word has length 57 [2018-06-22 10:47:35,772 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:35,772 INFO ]: Abstraction has 102 states and 110 transitions. [2018-06-22 10:47:35,772 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:47:35,772 INFO ]: Start isEmpty. Operand 102 states and 110 transitions. [2018-06-22 10:47:35,780 INFO ]: Finished isEmpty. Found accepting run of length 90 [2018-06-22 10:47:35,780 INFO ]: Found error trace [2018-06-22 10:47:35,780 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] [2018-06-22 10:47:35,780 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:35,781 INFO ]: Analyzing trace with hash 1700613982, now seen corresponding path program 1 times [2018-06-22 10:47:35,781 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:35,781 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:35,782 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:35,782 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:35,782 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:35,820 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:36,042 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:36,042 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:36,042 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:47:36,044 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:47:36,044 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:47:36,044 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:47:36,044 INFO ]: Start difference. First operand 102 states and 110 transitions. Second operand 11 states. [2018-06-22 10:47:36,505 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:36,505 INFO ]: Finished difference Result 142 states and 164 transitions. [2018-06-22 10:47:36,505 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:47:36,505 INFO ]: Start accepts. Automaton has 11 states. Word has length 89 [2018-06-22 10:47:36,506 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:36,510 INFO ]: With dead ends: 142 [2018-06-22 10:47:36,510 INFO ]: Without dead ends: 142 [2018-06-22 10:47:36,510 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:47:36,511 INFO ]: Start minimizeSevpa. Operand 142 states. [2018-06-22 10:47:36,529 INFO ]: Finished minimizeSevpa. Reduced states from 142 to 140. [2018-06-22 10:47:36,529 INFO ]: Start removeUnreachable. Operand 140 states. [2018-06-22 10:47:36,532 INFO ]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-06-22 10:47:36,532 INFO ]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 89 [2018-06-22 10:47:36,532 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:36,532 INFO ]: Abstraction has 140 states and 161 transitions. [2018-06-22 10:47:36,533 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:47:36,533 INFO ]: Start isEmpty. Operand 140 states and 161 transitions. [2018-06-22 10:47:36,535 INFO ]: Finished isEmpty. Found accepting run of length 90 [2018-06-22 10:47:36,535 INFO ]: Found error trace [2018-06-22 10:47:36,536 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] [2018-06-22 10:47:36,536 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:36,536 INFO ]: Analyzing trace with hash -1854137573, now seen corresponding path program 1 times [2018-06-22 10:47:36,536 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:36,536 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:36,537 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:36,537 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:36,537 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:36,560 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:36,713 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:36,713 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:36,713 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:47:36,713 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:47:36,713 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:47:36,714 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:47:36,714 INFO ]: Start difference. First operand 140 states and 161 transitions. Second operand 11 states. [2018-06-22 10:47:37,024 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:37,024 INFO ]: Finished difference Result 188 states and 226 transitions. [2018-06-22 10:47:37,024 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:47:37,024 INFO ]: Start accepts. Automaton has 11 states. Word has length 89 [2018-06-22 10:47:37,025 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:37,028 INFO ]: With dead ends: 188 [2018-06-22 10:47:37,028 INFO ]: Without dead ends: 176 [2018-06-22 10:47:37,028 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:47:37,029 INFO ]: Start minimizeSevpa. Operand 176 states. [2018-06-22 10:47:37,048 INFO ]: Finished minimizeSevpa. Reduced states from 176 to 158. [2018-06-22 10:47:37,049 INFO ]: Start removeUnreachable. Operand 158 states. [2018-06-22 10:47:37,051 INFO ]: Finished removeUnreachable. Reduced from 158 states to 158 states and 183 transitions. [2018-06-22 10:47:37,051 INFO ]: Start accepts. Automaton has 158 states and 183 transitions. Word has length 89 [2018-06-22 10:47:37,051 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:37,051 INFO ]: Abstraction has 158 states and 183 transitions. [2018-06-22 10:47:37,051 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:47:37,051 INFO ]: Start isEmpty. Operand 158 states and 183 transitions. [2018-06-22 10:47:37,055 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:37,055 INFO ]: Found error trace [2018-06-22 10:47:37,055 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 10:47:37,055 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:37,055 INFO ]: Analyzing trace with hash -415003715, now seen corresponding path program 1 times [2018-06-22 10:47:37,055 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:37,055 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:37,056 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:37,056 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:37,056 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:37,076 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:37,262 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:37,262 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:37,262 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:37,263 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:37,263 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:37,263 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:37,263 INFO ]: Start difference. First operand 158 states and 183 transitions. Second operand 12 states. [2018-06-22 10:47:37,582 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:37,583 INFO ]: Finished difference Result 205 states and 232 transitions. [2018-06-22 10:47:37,583 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:37,583 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:37,584 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:37,586 INFO ]: With dead ends: 205 [2018-06-22 10:47:37,586 INFO ]: Without dead ends: 197 [2018-06-22 10:47:37,586 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 10:47:37,587 INFO ]: Start minimizeSevpa. Operand 197 states. [2018-06-22 10:47:37,603 INFO ]: Finished minimizeSevpa. Reduced states from 197 to 171. [2018-06-22 10:47:37,603 INFO ]: Start removeUnreachable. Operand 171 states. [2018-06-22 10:47:37,606 INFO ]: Finished removeUnreachable. Reduced from 171 states to 171 states and 197 transitions. [2018-06-22 10:47:37,606 INFO ]: Start accepts. Automaton has 171 states and 197 transitions. Word has length 93 [2018-06-22 10:47:37,606 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:37,606 INFO ]: Abstraction has 171 states and 197 transitions. [2018-06-22 10:47:37,606 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:37,606 INFO ]: Start isEmpty. Operand 171 states and 197 transitions. [2018-06-22 10:47:37,610 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:37,610 INFO ]: Found error trace [2018-06-22 10:47:37,611 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 10:47:37,611 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:37,611 INFO ]: Analyzing trace with hash -278554883, now seen corresponding path program 1 times [2018-06-22 10:47:37,611 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:37,611 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:37,612 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:37,612 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:37,612 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:37,629 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:37,836 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:37,836 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:37,836 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:37,836 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:37,837 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:37,837 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:37,837 INFO ]: Start difference. First operand 171 states and 197 transitions. Second operand 12 states. [2018-06-22 10:47:38,120 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:38,120 INFO ]: Finished difference Result 208 states and 243 transitions. [2018-06-22 10:47:38,120 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:38,120 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:38,121 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:38,122 INFO ]: With dead ends: 208 [2018-06-22 10:47:38,122 INFO ]: Without dead ends: 200 [2018-06-22 10:47:38,123 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 10:47:38,123 INFO ]: Start minimizeSevpa. Operand 200 states. [2018-06-22 10:47:38,141 INFO ]: Finished minimizeSevpa. Reduced states from 200 to 190. [2018-06-22 10:47:38,141 INFO ]: Start removeUnreachable. Operand 190 states. [2018-06-22 10:47:38,145 INFO ]: Finished removeUnreachable. Reduced from 190 states to 190 states and 222 transitions. [2018-06-22 10:47:38,145 INFO ]: Start accepts. Automaton has 190 states and 222 transitions. Word has length 93 [2018-06-22 10:47:38,145 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:38,145 INFO ]: Abstraction has 190 states and 222 transitions. [2018-06-22 10:47:38,145 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:38,145 INFO ]: Start isEmpty. Operand 190 states and 222 transitions. [2018-06-22 10:47:38,147 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:38,147 INFO ]: Found error trace [2018-06-22 10:47:38,147 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 10:47:38,147 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:38,147 INFO ]: Analyzing trace with hash 1202240320, now seen corresponding path program 1 times [2018-06-22 10:47:38,147 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:38,147 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:38,149 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:38,149 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:38,149 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:38,162 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:38,334 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:38,334 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:38,334 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:38,335 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:38,335 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:38,335 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:38,335 INFO ]: Start difference. First operand 190 states and 222 transitions. Second operand 12 states. [2018-06-22 10:47:38,475 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:38,475 INFO ]: Finished difference Result 226 states and 261 transitions. [2018-06-22 10:47:38,476 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:38,476 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:38,477 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:38,479 INFO ]: With dead ends: 226 [2018-06-22 10:47:38,479 INFO ]: Without dead ends: 213 [2018-06-22 10:47:38,479 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 10:47:38,479 INFO ]: Start minimizeSevpa. Operand 213 states. [2018-06-22 10:47:38,492 INFO ]: Finished minimizeSevpa. Reduced states from 213 to 197. [2018-06-22 10:47:38,492 INFO ]: Start removeUnreachable. Operand 197 states. [2018-06-22 10:47:38,494 INFO ]: Finished removeUnreachable. Reduced from 197 states to 197 states and 228 transitions. [2018-06-22 10:47:38,494 INFO ]: Start accepts. Automaton has 197 states and 228 transitions. Word has length 93 [2018-06-22 10:47:38,495 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:38,495 INFO ]: Abstraction has 197 states and 228 transitions. [2018-06-22 10:47:38,495 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:38,495 INFO ]: Start isEmpty. Operand 197 states and 228 transitions. [2018-06-22 10:47:38,497 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:47:38,497 INFO ]: Found error trace [2018-06-22 10:47:38,497 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 10:47:38,497 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:47:38,497 INFO ]: Analyzing trace with hash -1895798918, now seen corresponding path program 1 times [2018-06-22 10:47:38,497 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:47:38,497 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:47:38,498 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:38,498 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:47:38,498 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:47:38,510 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:47:38,603 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:47:38,603 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:47:38,603 INFO ]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-06-22 10:47:38,603 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:47:38,604 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:47:38,604 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:47:38,604 INFO ]: Start difference. First operand 197 states and 228 transitions. Second operand 12 states. [2018-06-22 10:47:38,795 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:47:38,796 INFO ]: Finished difference Result 207 states and 243 transitions. [2018-06-22 10:47:38,797 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 10:47:38,797 INFO ]: Start accepts. Automaton has 12 states. Word has length 93 [2018-06-22 10:47:38,797 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:47:38,797 INFO ]: With dead ends: 207 [2018-06-22 10:47:38,797 INFO ]: Without dead ends: 0 [2018-06-22 10:47:38,797 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 10:47:38,797 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:47:38,797 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:47:38,797 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:47:38,797 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:47:38,797 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2018-06-22 10:47:38,797 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:47:38,798 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:47:38,798 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:47:38,798 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:47:38,798 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:47:38,803 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:47:38 BoogieIcfgContainer [2018-06-22 10:47:38,803 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:47:38,804 INFO ]: Toolchain (without parser) took 5485.92 ms. Allocated memory was 309.3 MB in the beginning and 373.3 MB in the end (delta: 64.0 MB). Free memory was 250.7 MB in the beginning and 200.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 114.3 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:38,805 INFO ]: SmtParser took 0.07 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 10:47:38,806 INFO ]: ChcToBoogie took 60.68 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:38,806 INFO ]: Boogie Preprocessor took 67.71 ms. Allocated memory is still 309.3 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:38,807 INFO ]: RCFGBuilder took 497.98 ms. Allocated memory is still 309.3 MB. Free memory was 246.7 MB in the beginning and 223.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:38,807 INFO ]: TraceAbstraction took 4837.34 ms. Allocated memory was 309.3 MB in the beginning and 373.3 MB in the end (delta: 64.0 MB). Free memory was 223.7 MB in the beginning and 200.3 MB in the end (delta: 23.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 3.6 GB. [2018-06-22 10:47:38,812 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 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 60.68 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 248.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.71 ms. Allocated memory is still 309.3 MB. Free memory was 248.7 MB in the beginning and 246.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 497.98 ms. Allocated memory is still 309.3 MB. Free memory was 246.7 MB in the beginning and 223.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4837.34 ms. Allocated memory was 309.3 MB in the beginning and 373.3 MB in the end (delta: 64.0 MB). Free memory was 223.7 MB in the beginning and 200.3 MB in the end (delta: 23.3 MB). Peak memory consumption was 87.3 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 23 procedures, 96 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 825 SDtfs, 74 SDslu, 7903 SDs, 0 SdLazy, 1502 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=6, 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, 7 MinimizatonAttempts, 72 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 91696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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/05.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-47-38-830.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/05.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-47-38-830.csv Received shutdown request...