java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/hopv/lia/mochi/dotprod5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:28:31,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:28:31,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:28:31,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:28:31,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:28:31,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:28:31,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:28:31,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:28:31,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:28:31,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:28:31,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:28:31,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:28:31,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:28:31,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:28:31,979 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:28:31,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:28:31,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:28:31,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:28:31,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:28:31,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:28:31,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:28:32,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:28:32,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:28:32,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:28:32,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:28:32,008 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:28:32,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:28:32,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:28:32,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:28:32,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:28:32,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:28:32,016 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:28:32,016 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:28:32,017 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:28:32,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:28:32,018 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 11:28:32,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:28:32,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:28:32,034 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:28:32,034 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:28:32,035 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:28:32,036 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:28:32,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:28:32,036 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:28:32,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:28:32,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:28:32,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:28:32,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:28:32,037 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:28:32,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:28:32,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:28:32,038 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:28:32,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:28:32,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:28:32,038 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:28:32,040 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:28:32,040 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:28:32,087 INFO ]: Repository-Root is: /tmp [2018-06-22 11:28:32,106 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:28:32,111 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:28:32,113 INFO ]: Initializing SmtParser... [2018-06-22 11:28:32,114 INFO ]: SmtParser initialized [2018-06-22 11:28:32,114 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/dotprod5.smt2 [2018-06-22 11:28:32,116 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 11:28:32,214 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/dotprod5.smt2 unknown [2018-06-22 11:28:32,576 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/dotprod5.smt2 [2018-06-22 11:28:32,581 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:28:32,596 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:28:32,596 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:28:32,596 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:28:32,597 INFO ]: ChcToBoogie initialized [2018-06-22 11:28:32,601 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,654 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32 Unit [2018-06-22 11:28:32,654 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:28:32,655 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:28:32,655 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:28:32,655 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:28:32,678 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,678 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,691 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,691 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,697 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,709 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,711 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... [2018-06-22 11:28:32,714 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:28:32,714 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:28:32,714 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:28:32,714 INFO ]: RCFGBuilder initialized [2018-06-22 11:28:32,715 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 11:28:32,731 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:28:32,731 INFO ]: Found specification of procedure False [2018-06-22 11:28:32,731 INFO ]: Found implementation of procedure False [2018-06-22 11:28:32,731 INFO ]: Specification and implementation of procedure make_arrayDLRunknownCLN17 given in one single declaration [2018-06-22 11:28:32,731 INFO ]: Found specification of procedure make_arrayDLRunknownCLN17 [2018-06-22 11:28:32,731 INFO ]: Found implementation of procedure make_arrayDLRunknownCLN17 [2018-06-22 11:28:32,731 INFO ]: Specification and implementation of procedure bcopy_auxDLRunknownCLN12 given in one single declaration [2018-06-22 11:28:32,731 INFO ]: Found specification of procedure bcopy_auxDLRunknownCLN12 [2018-06-22 11:28:32,731 INFO ]: Found implementation of procedure bcopy_auxDLRunknownCLN12 [2018-06-22 11:28:32,731 INFO ]: Specification and implementation of procedure bcopy_auxDLRunknownCLN11 given in one single declaration Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:28:32,732 INFO ]: Found specification of procedure bcopy_auxDLRunknownCLN11 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure bcopy_auxDLRunknownCLN11 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure make_arrayDLRunknownCLN18 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure make_arrayDLRunknownCLN18 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure make_arrayDLRunknownCLN18 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure updateDLRunknownCLN21 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure updateDLRunknownCLN21 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure updateDLRunknownCLN21 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure updateDLRunknownCLN22 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure updateDLRunknownCLN22 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure updateDLRunknownCLN22 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure bcopy_auxDLRunknownCLN13 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure bcopy_auxDLRunknownCLN13 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure bcopy_auxDLRunknownCLN13 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure updateDLRunknownCLN25 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure updateDLRunknownCLN25 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure updateDLRunknownCLN25 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN7 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN7 [2018-06-22 11:28:32,733 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN7 [2018-06-22 11:28:32,733 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 given in one single declaration [2018-06-22 11:28:32,733 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure updateDLRunknownCLN24 given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure updateDLRunknownCLN24 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure updateDLRunknownCLN24 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN3 given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN3 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN3 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure updateDLRunknownCLN23 given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure updateDLRunknownCLN23 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure updateDLRunknownCLN23 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure bcopy_auxDLRunknownCLN14 given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure bcopy_auxDLRunknownCLN14 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure bcopy_auxDLRunknownCLN14 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure bcopy_auxDLRunknownCLN10 given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure bcopy_auxDLRunknownCLN10 [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure bcopy_auxDLRunknownCLN10 [2018-06-22 11:28:32,734 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:28:32,734 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:28:32,734 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:28:33,301 INFO ]: Using library mode [2018-06-22 11:28:33,302 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:28:33 BoogieIcfgContainer [2018-06-22 11:28:33,302 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:28:33,305 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:28:33,305 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:28:33,310 INFO ]: TraceAbstraction initialized [2018-06-22 11:28:33,311 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:28:32" (1/3) ... [2018-06-22 11:28:33,312 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2edc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:28:33, skipping insertion in model container [2018-06-22 11:28:33,312 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:28:32" (2/3) ... [2018-06-22 11:28:33,312 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2edc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:28:33, skipping insertion in model container [2018-06-22 11:28:33,312 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:28:33" (3/3) ... [2018-06-22 11:28:33,315 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:28:33,324 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:28:33,335 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:28:33,384 INFO ]: Using default assertion order modulation [2018-06-22 11:28:33,384 INFO ]: Interprodecural is true [2018-06-22 11:28:33,384 INFO ]: Hoare is false [2018-06-22 11:28:33,384 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:28:33,385 INFO ]: Backedges is TWOTRACK [2018-06-22 11:28:33,385 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:28:33,385 INFO ]: Difference is false [2018-06-22 11:28:33,385 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:28:33,385 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:28:33,405 INFO ]: Start isEmpty. Operand 102 states. [2018-06-22 11:28:33,428 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:28:33,428 INFO ]: Found error trace [2018-06-22 11:28:33,429 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:28:33,429 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:33,435 INFO ]: Analyzing trace with hash 247696520, now seen corresponding path program 1 times [2018-06-22 11:28:33,437 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:33,437 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:33,472 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:33,472 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:33,472 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:33,485 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:33,512 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:28:33,514 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:28:33,515 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:28:33,516 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:28:33,531 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:28:33,532 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:28:33,535 INFO ]: Start difference. First operand 102 states. Second operand 2 states. [2018-06-22 11:28:33,568 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:33,568 INFO ]: Finished difference Result 100 states and 134 transitions. [2018-06-22 11:28:33,568 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:28:33,569 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:28:33,569 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:33,593 INFO ]: With dead ends: 100 [2018-06-22 11:28:33,593 INFO ]: Without dead ends: 100 [2018-06-22 11:28:33,596 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:28:33,616 INFO ]: Start minimizeSevpa. Operand 100 states. [2018-06-22 11:28:33,653 INFO ]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-06-22 11:28:33,655 INFO ]: Start removeUnreachable. Operand 100 states. [2018-06-22 11:28:33,660 INFO ]: Finished removeUnreachable. Reduced from 100 states to 100 states and 134 transitions. [2018-06-22 11:28:33,661 INFO ]: Start accepts. Automaton has 100 states and 134 transitions. Word has length 5 [2018-06-22 11:28:33,661 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:33,661 INFO ]: Abstraction has 100 states and 134 transitions. [2018-06-22 11:28:33,661 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:28:33,662 INFO ]: Start isEmpty. Operand 100 states and 134 transitions. [2018-06-22 11:28:33,664 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:28:33,664 INFO ]: Found error trace [2018-06-22 11:28:33,664 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:28:33,664 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:33,664 INFO ]: Analyzing trace with hash -2147143731, now seen corresponding path program 1 times [2018-06-22 11:28:33,664 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:33,664 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:33,665 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:33,665 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:33,665 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:33,698 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:33,879 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:28:33,879 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:28:33,879 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 11:28:33,881 INFO ]: Interpolant automaton has 7 states [2018-06-22 11:28:33,881 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 11:28:33,881 INFO ]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:28:33,882 INFO ]: Start difference. First operand 100 states and 134 transitions. Second operand 7 states. [2018-06-22 11:28:34,094 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:34,094 INFO ]: Finished difference Result 106 states and 147 transitions. [2018-06-22 11:28:34,094 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:28:34,094 INFO ]: Start accepts. Automaton has 7 states. Word has length 17 [2018-06-22 11:28:34,095 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:34,098 INFO ]: With dead ends: 106 [2018-06-22 11:28:34,098 INFO ]: Without dead ends: 106 [2018-06-22 11:28:34,099 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:28:34,099 INFO ]: Start minimizeSevpa. Operand 106 states. [2018-06-22 11:28:34,120 INFO ]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-06-22 11:28:34,120 INFO ]: Start removeUnreachable. Operand 106 states. [2018-06-22 11:28:34,125 INFO ]: Finished removeUnreachable. Reduced from 106 states to 106 states and 147 transitions. [2018-06-22 11:28:34,126 INFO ]: Start accepts. Automaton has 106 states and 147 transitions. Word has length 17 [2018-06-22 11:28:34,126 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:34,126 INFO ]: Abstraction has 106 states and 147 transitions. [2018-06-22 11:28:34,126 INFO ]: Interpolant automaton has 7 states. [2018-06-22 11:28:34,126 INFO ]: Start isEmpty. Operand 106 states and 147 transitions. [2018-06-22 11:28:34,128 INFO ]: Finished isEmpty. Found accepting run of length 50 [2018-06-22 11:28:34,128 INFO ]: Found error trace [2018-06-22 11:28:34,128 INFO ]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:28:34,129 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:34,129 INFO ]: Analyzing trace with hash -1952323679, now seen corresponding path program 1 times [2018-06-22 11:28:34,129 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:34,129 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:34,129 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:34,129 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:34,129 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:34,180 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:34,436 INFO ]: Checked inductivity of 34 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-06-22 11:28:34,436 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:34,436 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:34,445 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:34,488 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:34,497 INFO ]: Computing forward predicates... [2018-06-22 11:28:34,846 INFO ]: Checked inductivity of 34 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-06-22 11:28:34,879 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:34,879 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-06-22 11:28:34,880 INFO ]: Interpolant automaton has 10 states [2018-06-22 11:28:34,880 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 11:28:34,880 INFO ]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-06-22 11:28:34,880 INFO ]: Start difference. First operand 106 states and 147 transitions. Second operand 10 states. [2018-06-22 11:28:35,696 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:35,696 INFO ]: Finished difference Result 108 states and 149 transitions. [2018-06-22 11:28:35,697 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 11:28:35,697 INFO ]: Start accepts. Automaton has 10 states. Word has length 49 [2018-06-22 11:28:35,697 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:35,700 INFO ]: With dead ends: 108 [2018-06-22 11:28:35,700 INFO ]: Without dead ends: 108 [2018-06-22 11:28:35,700 INFO ]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-06-22 11:28:35,701 INFO ]: Start minimizeSevpa. Operand 108 states. [2018-06-22 11:28:35,716 INFO ]: Finished minimizeSevpa. Reduced states from 108 to 102. [2018-06-22 11:28:35,716 INFO ]: Start removeUnreachable. Operand 102 states. [2018-06-22 11:28:35,719 INFO ]: Finished removeUnreachable. Reduced from 102 states to 102 states and 136 transitions. [2018-06-22 11:28:35,719 INFO ]: Start accepts. Automaton has 102 states and 136 transitions. Word has length 49 [2018-06-22 11:28:35,719 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:35,719 INFO ]: Abstraction has 102 states and 136 transitions. [2018-06-22 11:28:35,719 INFO ]: Interpolant automaton has 10 states. [2018-06-22 11:28:35,720 INFO ]: Start isEmpty. Operand 102 states and 136 transitions. [2018-06-22 11:28:35,723 INFO ]: Finished isEmpty. Found accepting run of length 86 [2018-06-22 11:28:35,723 INFO ]: Found error trace [2018-06-22 11:28:35,723 INFO ]: trace histogram [6, 6, 4, 4, 4, 4, 3, 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] [2018-06-22 11:28:35,723 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:35,723 INFO ]: Analyzing trace with hash 272492957, now seen corresponding path program 1 times [2018-06-22 11:28:35,723 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:35,723 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:35,724 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:35,724 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:35,724 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:35,790 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:36,078 INFO ]: Checked inductivity of 88 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-06-22 11:28:36,078 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:36,078 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:36,093 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:36,157 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:36,165 INFO ]: Computing forward predicates... [2018-06-22 11:28:36,300 INFO ]: Checked inductivity of 88 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-06-22 11:28:36,329 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:36,329 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 14 [2018-06-22 11:28:36,330 INFO ]: Interpolant automaton has 14 states [2018-06-22 11:28:36,330 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 11:28:36,330 INFO ]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-06-22 11:28:36,330 INFO ]: Start difference. First operand 102 states and 136 transitions. Second operand 14 states. [2018-06-22 11:28:36,952 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:36,953 INFO ]: Finished difference Result 120 states and 178 transitions. [2018-06-22 11:28:36,953 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 11:28:36,953 INFO ]: Start accepts. Automaton has 14 states. Word has length 85 [2018-06-22 11:28:36,954 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:36,957 INFO ]: With dead ends: 120 [2018-06-22 11:28:36,957 INFO ]: Without dead ends: 120 [2018-06-22 11:28:36,957 INFO ]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-06-22 11:28:36,958 INFO ]: Start minimizeSevpa. Operand 120 states. [2018-06-22 11:28:36,973 INFO ]: Finished minimizeSevpa. Reduced states from 120 to 115. [2018-06-22 11:28:36,973 INFO ]: Start removeUnreachable. Operand 115 states. [2018-06-22 11:28:36,976 INFO ]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2018-06-22 11:28:36,976 INFO ]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 85 [2018-06-22 11:28:36,977 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:36,977 INFO ]: Abstraction has 115 states and 169 transitions. [2018-06-22 11:28:36,977 INFO ]: Interpolant automaton has 14 states. [2018-06-22 11:28:36,977 INFO ]: Start isEmpty. Operand 115 states and 169 transitions. [2018-06-22 11:28:36,983 INFO ]: Finished isEmpty. Found accepting run of length 150 [2018-06-22 11:28:36,983 INFO ]: Found error trace [2018-06-22 11:28:36,983 INFO ]: trace histogram [12, 10, 8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-06-22 11:28:36,983 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:36,983 INFO ]: Analyzing trace with hash -2128904891, now seen corresponding path program 1 times [2018-06-22 11:28:36,983 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:36,983 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:36,984 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:36,984 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:36,984 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:37,038 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:37,310 INFO ]: Checked inductivity of 402 backedges. 52 proven. 38 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2018-06-22 11:28:37,310 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:37,310 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:37,317 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:37,418 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:37,432 INFO ]: Computing forward predicates... [2018-06-22 11:28:37,766 INFO ]: Checked inductivity of 402 backedges. 192 proven. 34 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-06-22 11:28:37,787 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:37,787 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13] total 15 [2018-06-22 11:28:37,788 INFO ]: Interpolant automaton has 15 states [2018-06-22 11:28:37,788 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-22 11:28:37,788 INFO ]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-06-22 11:28:37,788 INFO ]: Start difference. First operand 115 states and 169 transitions. Second operand 15 states. [2018-06-22 11:28:38,415 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:38,415 INFO ]: Finished difference Result 146 states and 227 transitions. [2018-06-22 11:28:38,415 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 11:28:38,415 INFO ]: Start accepts. Automaton has 15 states. Word has length 149 [2018-06-22 11:28:38,416 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:38,418 INFO ]: With dead ends: 146 [2018-06-22 11:28:38,418 INFO ]: Without dead ends: 145 [2018-06-22 11:28:38,418 INFO ]: 0 DeclaredPredicates, 160 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-06-22 11:28:38,419 INFO ]: Start minimizeSevpa. Operand 145 states. [2018-06-22 11:28:38,439 INFO ]: Finished minimizeSevpa. Reduced states from 145 to 139. [2018-06-22 11:28:38,440 INFO ]: Start removeUnreachable. Operand 139 states. [2018-06-22 11:28:38,442 INFO ]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2018-06-22 11:28:38,442 INFO ]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 149 [2018-06-22 11:28:38,443 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:38,443 INFO ]: Abstraction has 139 states and 210 transitions. [2018-06-22 11:28:38,443 INFO ]: Interpolant automaton has 15 states. [2018-06-22 11:28:38,443 INFO ]: Start isEmpty. Operand 139 states and 210 transitions. [2018-06-22 11:28:38,448 INFO ]: Finished isEmpty. Found accepting run of length 278 [2018-06-22 11:28:38,448 INFO ]: Found error trace [2018-06-22 11:28:38,449 INFO ]: trace histogram [24, 18, 16, 16, 16, 16, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:28:38,449 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:38,449 INFO ]: Analyzing trace with hash -851609451, now seen corresponding path program 2 times [2018-06-22 11:28:38,449 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:38,449 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:38,450 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:38,450 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:38,450 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:38,538 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:38,928 INFO ]: Checked inductivity of 1726 backedges. 42 proven. 164 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2018-06-22 11:28:38,928 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:38,955 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:38,962 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 11:28:39,098 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 11:28:39,098 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:39,120 INFO ]: Computing forward predicates... [2018-06-22 11:28:39,533 INFO ]: Checked inductivity of 1726 backedges. 39 proven. 119 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2018-06-22 11:28:39,569 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:39,569 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 22 [2018-06-22 11:28:39,570 INFO ]: Interpolant automaton has 22 states [2018-06-22 11:28:39,570 INFO ]: Constructing interpolant automaton starting with 22 interpolants. [2018-06-22 11:28:39,570 INFO ]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2018-06-22 11:28:39,570 INFO ]: Start difference. First operand 139 states and 210 transitions. Second operand 22 states. [2018-06-22 11:28:40,399 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:40,399 INFO ]: Finished difference Result 174 states and 283 transitions. [2018-06-22 11:28:40,399 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-06-22 11:28:40,399 INFO ]: Start accepts. Automaton has 22 states. Word has length 277 [2018-06-22 11:28:40,401 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:40,404 INFO ]: With dead ends: 174 [2018-06-22 11:28:40,404 INFO ]: Without dead ends: 174 [2018-06-22 11:28:40,404 INFO ]: 0 DeclaredPredicates, 302 GetRequests, 272 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2018-06-22 11:28:40,404 INFO ]: Start minimizeSevpa. Operand 174 states. [2018-06-22 11:28:40,422 INFO ]: Finished minimizeSevpa. Reduced states from 174 to 140. [2018-06-22 11:28:40,422 INFO ]: Start removeUnreachable. Operand 140 states. [2018-06-22 11:28:40,424 INFO ]: Finished removeUnreachable. Reduced from 140 states to 140 states and 212 transitions. [2018-06-22 11:28:40,424 INFO ]: Start accepts. Automaton has 140 states and 212 transitions. Word has length 277 [2018-06-22 11:28:40,425 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:40,425 INFO ]: Abstraction has 140 states and 212 transitions. [2018-06-22 11:28:40,425 INFO ]: Interpolant automaton has 22 states. [2018-06-22 11:28:40,426 INFO ]: Start isEmpty. Operand 140 states and 212 transitions. [2018-06-22 11:28:40,478 INFO ]: Finished isEmpty. Found accepting run of length 1162 [2018-06-22 11:28:40,478 INFO ]: Found error trace [2018-06-22 11:28:40,479 INFO ]: trace histogram [98, 80, 66, 66, 66, 66, 35, 34, 34, 34, 34, 34, 34, 34, 32, 32, 32, 32, 32, 32, 18, 18, 18, 18, 18, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:28:40,479 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:40,479 INFO ]: Analyzing trace with hash -2104864968, now seen corresponding path program 1 times [2018-06-22 11:28:40,479 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:40,479 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:40,480 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:40,480 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:28:40,480 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:40,746 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:41,871 INFO ]: Checked inductivity of 30423 backedges. 190 proven. 990 refuted. 0 times theorem prover too weak. 29243 trivial. 0 not checked. [2018-06-22 11:28:41,871 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:41,871 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:41,877 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:42,365 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:42,411 INFO ]: Computing forward predicates... [2018-06-22 11:28:43,199 INFO ]: Checked inductivity of 30423 backedges. 3383 proven. 847 refuted. 0 times theorem prover too weak. 26193 trivial. 0 not checked. [2018-06-22 11:28:43,221 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:43,222 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 17 [2018-06-22 11:28:43,223 INFO ]: Interpolant automaton has 17 states [2018-06-22 11:28:43,223 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 11:28:43,223 INFO ]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2018-06-22 11:28:43,224 INFO ]: Start difference. First operand 140 states and 212 transitions. Second operand 17 states. [2018-06-22 11:28:44,051 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:44,051 INFO ]: Finished difference Result 178 states and 285 transitions. [2018-06-22 11:28:44,083 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 11:28:44,083 INFO ]: Start accepts. Automaton has 17 states. Word has length 1161 [2018-06-22 11:28:44,084 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:44,085 INFO ]: With dead ends: 178 [2018-06-22 11:28:44,085 INFO ]: Without dead ends: 178 [2018-06-22 11:28:44,085 INFO ]: 0 DeclaredPredicates, 1172 GetRequests, 1156 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2018-06-22 11:28:44,086 INFO ]: Start minimizeSevpa. Operand 178 states. [2018-06-22 11:28:44,101 INFO ]: Finished minimizeSevpa. Reduced states from 178 to 173. [2018-06-22 11:28:44,101 INFO ]: Start removeUnreachable. Operand 173 states. [2018-06-22 11:28:44,104 INFO ]: Finished removeUnreachable. Reduced from 173 states to 173 states and 266 transitions. [2018-06-22 11:28:44,104 INFO ]: Start accepts. Automaton has 173 states and 266 transitions. Word has length 1161 [2018-06-22 11:28:44,105 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:44,105 INFO ]: Abstraction has 173 states and 266 transitions. [2018-06-22 11:28:44,105 INFO ]: Interpolant automaton has 17 states. [2018-06-22 11:28:44,105 INFO ]: Start isEmpty. Operand 173 states and 266 transitions. [2018-06-22 11:28:44,120 INFO ]: Finished isEmpty. Found accepting run of length 1502 [2018-06-22 11:28:44,120 INFO ]: Found error trace [2018-06-22 11:28:44,121 INFO ]: trace histogram [123, 105, 81, 81, 81, 81, 45, 44, 44, 44, 44, 42, 42, 42, 42, 42, 42, 39, 39, 39, 18, 18, 18, 18, 18, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 2, 2, 2, 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] [2018-06-22 11:28:44,121 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:44,121 INFO ]: Analyzing trace with hash -1628655416, now seen corresponding path program 2 times [2018-06-22 11:28:44,121 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:44,121 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:44,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:44,122 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:28:44,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:44,422 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:45,956 INFO ]: Checked inductivity of 48358 backedges. 182 proven. 765 refuted. 0 times theorem prover too weak. 47411 trivial. 0 not checked. [2018-06-22 11:28:45,956 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:45,956 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 11:28:45,985 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:46,611 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 11:28:46,612 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:46,664 INFO ]: Computing forward predicates... [2018-06-22 11:28:48,820 INFO ]: Checked inductivity of 48358 backedges. 5791 proven. 726 refuted. 0 times theorem prover too weak. 41841 trivial. 0 not checked. [2018-06-22 11:28:48,859 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:48,859 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 16 [2018-06-22 11:28:48,861 INFO ]: Interpolant automaton has 16 states [2018-06-22 11:28:48,861 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 11:28:48,861 INFO ]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2018-06-22 11:28:48,861 INFO ]: Start difference. First operand 173 states and 266 transitions. Second operand 16 states. [2018-06-22 11:28:49,760 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:49,760 INFO ]: Finished difference Result 236 states and 394 transitions. [2018-06-22 11:28:49,760 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 11:28:49,760 INFO ]: Start accepts. Automaton has 16 states. Word has length 1501 [2018-06-22 11:28:49,763 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:49,767 INFO ]: With dead ends: 236 [2018-06-22 11:28:49,767 INFO ]: Without dead ends: 236 [2018-06-22 11:28:49,767 INFO ]: 0 DeclaredPredicates, 1514 GetRequests, 1498 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-06-22 11:28:49,767 INFO ]: Start minimizeSevpa. Operand 236 states. [2018-06-22 11:28:49,789 INFO ]: Finished minimizeSevpa. Reduced states from 236 to 204. [2018-06-22 11:28:49,789 INFO ]: Start removeUnreachable. Operand 204 states. [2018-06-22 11:28:49,797 INFO ]: Finished removeUnreachable. Reduced from 204 states to 204 states and 336 transitions. [2018-06-22 11:28:49,797 INFO ]: Start accepts. Automaton has 204 states and 336 transitions. Word has length 1501 [2018-06-22 11:28:49,801 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:49,801 INFO ]: Abstraction has 204 states and 336 transitions. [2018-06-22 11:28:49,801 INFO ]: Interpolant automaton has 16 states. [2018-06-22 11:28:49,801 INFO ]: Start isEmpty. Operand 204 states and 336 transitions. [2018-06-22 11:28:49,815 INFO ]: Finished isEmpty. Found accepting run of length 1206 [2018-06-22 11:28:49,815 INFO ]: Found error trace [2018-06-22 11:28:49,815 INFO ]: trace histogram [98, 85, 65, 65, 65, 65, 36, 35, 35, 35, 35, 33, 33, 33, 33, 33, 33, 32, 32, 32, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:28:49,816 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:49,818 INFO ]: Analyzing trace with hash -741034492, now seen corresponding path program 3 times [2018-06-22 11:28:49,818 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:49,818 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:49,819 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:49,819 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:28:49,819 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:50,009 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:51,235 INFO ]: Checked inductivity of 30646 backedges. 200 proven. 515 refuted. 0 times theorem prover too weak. 29931 trivial. 0 not checked. [2018-06-22 11:28:51,235 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:51,235 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 11:28:51,254 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:51,488 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-06-22 11:28:51,488 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:51,514 INFO ]: Computing forward predicates... [2018-06-22 11:28:52,327 INFO ]: Checked inductivity of 30646 backedges. 1409 proven. 27 refuted. 0 times theorem prover too weak. 29210 trivial. 0 not checked. [2018-06-22 11:28:52,346 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:52,346 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 21 [2018-06-22 11:28:52,347 INFO ]: Interpolant automaton has 21 states [2018-06-22 11:28:52,347 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 11:28:52,347 INFO ]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2018-06-22 11:28:52,348 INFO ]: Start difference. First operand 204 states and 336 transitions. Second operand 21 states. [2018-06-22 11:28:54,287 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:54,287 INFO ]: Finished difference Result 339 states and 607 transitions. [2018-06-22 11:28:54,287 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-06-22 11:28:54,287 INFO ]: Start accepts. Automaton has 21 states. Word has length 1205 [2018-06-22 11:28:54,288 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:54,294 INFO ]: With dead ends: 339 [2018-06-22 11:28:54,294 INFO ]: Without dead ends: 313 [2018-06-22 11:28:54,294 INFO ]: 0 DeclaredPredicates, 1222 GetRequests, 1194 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2018-06-22 11:28:54,295 INFO ]: Start minimizeSevpa. Operand 313 states. [2018-06-22 11:28:54,329 INFO ]: Finished minimizeSevpa. Reduced states from 313 to 289. [2018-06-22 11:28:54,329 INFO ]: Start removeUnreachable. Operand 289 states. [2018-06-22 11:28:54,333 INFO ]: Finished removeUnreachable. Reduced from 289 states to 289 states and 516 transitions. [2018-06-22 11:28:54,333 INFO ]: Start accepts. Automaton has 289 states and 516 transitions. Word has length 1205 [2018-06-22 11:28:54,336 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:54,336 INFO ]: Abstraction has 289 states and 516 transitions. [2018-06-22 11:28:54,336 INFO ]: Interpolant automaton has 21 states. [2018-06-22 11:28:54,336 INFO ]: Start isEmpty. Operand 289 states and 516 transitions. [2018-06-22 11:28:54,357 INFO ]: Finished isEmpty. Found accepting run of length 1562 [2018-06-22 11:28:54,357 INFO ]: Found error trace [2018-06-22 11:28:54,358 INFO ]: trace histogram [130, 108, 86, 86, 86, 86, 47, 46, 46, 46, 46, 44, 44, 44, 44, 44, 44, 42, 42, 42, 22, 22, 22, 22, 22, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 2, 2, 2, 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] [2018-06-22 11:28:54,358 INFO ]: === Iteration 10 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:54,358 INFO ]: Analyzing trace with hash 2069204936, now seen corresponding path program 4 times [2018-06-22 11:28:54,358 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:54,358 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:54,359 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:54,359 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:28:54,359 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:54,562 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:56,354 INFO ]: Checked inductivity of 53847 backedges. 702 proven. 500 refuted. 0 times theorem prover too weak. 52645 trivial. 0 not checked. [2018-06-22 11:28:56,354 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:56,354 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:56,366 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 11:28:56,902 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 11:28:56,902 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:56,940 INFO ]: Computing forward predicates... [2018-06-22 11:28:57,955 INFO ]: Checked inductivity of 53847 backedges. 6699 proven. 755 refuted. 0 times theorem prover too weak. 46393 trivial. 0 not checked. [2018-06-22 11:28:57,978 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:28:57,978 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2018-06-22 11:28:57,979 INFO ]: Interpolant automaton has 15 states [2018-06-22 11:28:57,980 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-22 11:28:57,980 INFO ]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-06-22 11:28:57,980 INFO ]: Start difference. First operand 289 states and 516 transitions. Second operand 15 states. [2018-06-22 11:28:58,399 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:28:58,399 INFO ]: Finished difference Result 317 states and 559 transitions. [2018-06-22 11:28:58,399 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 11:28:58,399 INFO ]: Start accepts. Automaton has 15 states. Word has length 1561 [2018-06-22 11:28:58,402 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:28:58,406 INFO ]: With dead ends: 317 [2018-06-22 11:28:58,406 INFO ]: Without dead ends: 307 [2018-06-22 11:28:58,406 INFO ]: 0 DeclaredPredicates, 1571 GetRequests, 1556 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2018-06-22 11:28:58,408 INFO ]: Start minimizeSevpa. Operand 307 states. [2018-06-22 11:28:58,432 INFO ]: Finished minimizeSevpa. Reduced states from 307 to 284. [2018-06-22 11:28:58,432 INFO ]: Start removeUnreachable. Operand 284 states. [2018-06-22 11:28:58,435 INFO ]: Finished removeUnreachable. Reduced from 284 states to 284 states and 487 transitions. [2018-06-22 11:28:58,435 INFO ]: Start accepts. Automaton has 284 states and 487 transitions. Word has length 1561 [2018-06-22 11:28:58,437 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:28:58,437 INFO ]: Abstraction has 284 states and 487 transitions. [2018-06-22 11:28:58,437 INFO ]: Interpolant automaton has 15 states. [2018-06-22 11:28:58,437 INFO ]: Start isEmpty. Operand 284 states and 487 transitions. [2018-06-22 11:28:58,454 INFO ]: Finished isEmpty. Found accepting run of length 1450 [2018-06-22 11:28:58,454 INFO ]: Found error trace [2018-06-22 11:28:58,455 INFO ]: trace histogram [125, 98, 84, 84, 84, 84, 44, 43, 43, 43, 43, 43, 43, 43, 41, 41, 41, 41, 41, 41, 27, 27, 27, 27, 27, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:28:58,455 INFO ]: === Iteration 11 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:28:58,455 INFO ]: Analyzing trace with hash 1677945260, now seen corresponding path program 5 times [2018-06-22 11:28:58,455 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:28:58,455 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:28:58,456 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:58,456 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:28:58,456 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:28:58,638 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:28:59,762 INFO ]: Checked inductivity of 49557 backedges. 240 proven. 673 refuted. 0 times theorem prover too weak. 48644 trivial. 0 not checked. [2018-06-22 11:28:59,762 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:28:59,778 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:28:59,787 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-22 11:29:00,125 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2018-06-22 11:29:00,125 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:00,150 INFO ]: Computing forward predicates... [2018-06-22 11:29:01,514 INFO ]: Checked inductivity of 49557 backedges. 14138 proven. 314 refuted. 0 times theorem prover too weak. 35105 trivial. 0 not checked. [2018-06-22 11:29:01,535 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:01,535 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 14 [2018-06-22 11:29:01,536 INFO ]: Interpolant automaton has 14 states [2018-06-22 11:29:01,536 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 11:29:01,536 INFO ]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-06-22 11:29:01,536 INFO ]: Start difference. First operand 284 states and 487 transitions. Second operand 14 states. [2018-06-22 11:29:01,862 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:01,862 INFO ]: Finished difference Result 287 states and 463 transitions. [2018-06-22 11:29:01,862 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 11:29:01,862 INFO ]: Start accepts. Automaton has 14 states. Word has length 1449 [2018-06-22 11:29:01,863 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:01,867 INFO ]: With dead ends: 287 [2018-06-22 11:29:01,867 INFO ]: Without dead ends: 281 [2018-06-22 11:29:01,868 INFO ]: 0 DeclaredPredicates, 1459 GetRequests, 1445 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2018-06-22 11:29:01,868 INFO ]: Start minimizeSevpa. Operand 281 states. [2018-06-22 11:29:01,888 INFO ]: Finished minimizeSevpa. Reduced states from 281 to 276. [2018-06-22 11:29:01,888 INFO ]: Start removeUnreachable. Operand 276 states. [2018-06-22 11:29:01,891 INFO ]: Finished removeUnreachable. Reduced from 276 states to 276 states and 447 transitions. [2018-06-22 11:29:01,891 INFO ]: Start accepts. Automaton has 276 states and 447 transitions. Word has length 1449 [2018-06-22 11:29:01,892 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:01,892 INFO ]: Abstraction has 276 states and 447 transitions. [2018-06-22 11:29:01,892 INFO ]: Interpolant automaton has 14 states. [2018-06-22 11:29:01,892 INFO ]: Start isEmpty. Operand 276 states and 447 transitions. [2018-06-22 11:29:01,903 INFO ]: Finished isEmpty. Found accepting run of length 1034 [2018-06-22 11:29:01,903 INFO ]: Found error trace [2018-06-22 11:29:01,903 INFO ]: trace histogram [86, 72, 58, 58, 58, 58, 31, 30, 30, 30, 30, 30, 30, 30, 28, 28, 28, 28, 28, 28, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:29:01,903 INFO ]: === Iteration 12 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:01,905 INFO ]: Analyzing trace with hash -204694552, now seen corresponding path program 6 times [2018-06-22 11:29:01,905 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:01,905 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:01,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:01,905 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:29:01,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:02,028 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:03,144 INFO ]: Checked inductivity of 23427 backedges. 198 proven. 471 refuted. 0 times theorem prover too weak. 22758 trivial. 0 not checked. [2018-06-22 11:29:03,144 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:03,144 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:03,149 INFO ]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-06-22 11:29:03,497 INFO ]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2018-06-22 11:29:03,497 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:03,514 INFO ]: Computing forward predicates... [2018-06-22 11:29:04,401 INFO ]: Checked inductivity of 23427 backedges. 12071 proven. 163 refuted. 0 times theorem prover too weak. 11193 trivial. 0 not checked. [2018-06-22 11:29:04,435 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:04,435 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 14 [2018-06-22 11:29:04,436 INFO ]: Interpolant automaton has 14 states [2018-06-22 11:29:04,436 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 11:29:04,436 INFO ]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-06-22 11:29:04,437 INFO ]: Start difference. First operand 276 states and 447 transitions. Second operand 14 states. [2018-06-22 11:29:05,289 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:05,289 INFO ]: Finished difference Result 298 states and 499 transitions. [2018-06-22 11:29:05,317 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 11:29:05,317 INFO ]: Start accepts. Automaton has 14 states. Word has length 1033 [2018-06-22 11:29:05,318 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:05,323 INFO ]: With dead ends: 298 [2018-06-22 11:29:05,323 INFO ]: Without dead ends: 298 [2018-06-22 11:29:05,323 INFO ]: 0 DeclaredPredicates, 1046 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-06-22 11:29:05,324 INFO ]: Start minimizeSevpa. Operand 298 states. [2018-06-22 11:29:05,350 INFO ]: Finished minimizeSevpa. Reduced states from 298 to 290. [2018-06-22 11:29:05,351 INFO ]: Start removeUnreachable. Operand 290 states. [2018-06-22 11:29:05,354 INFO ]: Finished removeUnreachable. Reduced from 290 states to 290 states and 483 transitions. [2018-06-22 11:29:05,354 INFO ]: Start accepts. Automaton has 290 states and 483 transitions. Word has length 1033 [2018-06-22 11:29:05,355 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:05,355 INFO ]: Abstraction has 290 states and 483 transitions. [2018-06-22 11:29:05,355 INFO ]: Interpolant automaton has 14 states. [2018-06-22 11:29:05,355 INFO ]: Start isEmpty. Operand 290 states and 483 transitions. [2018-06-22 11:29:05,366 INFO ]: Finished isEmpty. Found accepting run of length 994 [2018-06-22 11:29:05,366 INFO ]: Found error trace [2018-06-22 11:29:05,366 INFO ]: trace histogram [74, 74, 48, 48, 48, 48, 29, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 22, 22, 22, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 2, 2, 2, 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] [2018-06-22 11:29:05,366 INFO ]: === Iteration 13 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:05,366 INFO ]: Analyzing trace with hash -1273691728, now seen corresponding path program 1 times [2018-06-22 11:29:05,366 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:05,366 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:05,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:05,368 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:29:05,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:05,487 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:07,166 INFO ]: Checked inductivity of 18147 backedges. 103 proven. 394 refuted. 0 times theorem prover too weak. 17650 trivial. 0 not checked. [2018-06-22 11:29:07,167 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:07,167 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:07,172 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:29:07,493 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:07,508 INFO ]: Computing forward predicates... [2018-06-22 11:29:08,433 INFO ]: Checked inductivity of 18147 backedges. 3434 proven. 322 refuted. 0 times theorem prover too weak. 14391 trivial. 0 not checked. [2018-06-22 11:29:08,454 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:08,454 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 21 [2018-06-22 11:29:08,455 INFO ]: Interpolant automaton has 21 states [2018-06-22 11:29:08,455 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 11:29:08,455 INFO ]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2018-06-22 11:29:08,455 INFO ]: Start difference. First operand 290 states and 483 transitions. Second operand 21 states. [2018-06-22 11:29:08,911 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:08,911 INFO ]: Finished difference Result 353 states and 603 transitions. [2018-06-22 11:29:08,911 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-06-22 11:29:08,911 INFO ]: Start accepts. Automaton has 21 states. Word has length 993 [2018-06-22 11:29:08,912 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:08,915 INFO ]: With dead ends: 353 [2018-06-22 11:29:08,915 INFO ]: Without dead ends: 349 [2018-06-22 11:29:08,915 INFO ]: 0 DeclaredPredicates, 1017 GetRequests, 989 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2018-06-22 11:29:08,916 INFO ]: Start minimizeSevpa. Operand 349 states. [2018-06-22 11:29:08,943 INFO ]: Finished minimizeSevpa. Reduced states from 349 to 313. [2018-06-22 11:29:08,943 INFO ]: Start removeUnreachable. Operand 313 states. [2018-06-22 11:29:08,946 INFO ]: Finished removeUnreachable. Reduced from 313 states to 313 states and 539 transitions. [2018-06-22 11:29:08,946 INFO ]: Start accepts. Automaton has 313 states and 539 transitions. Word has length 993 [2018-06-22 11:29:08,947 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:08,947 INFO ]: Abstraction has 313 states and 539 transitions. [2018-06-22 11:29:08,947 INFO ]: Interpolant automaton has 21 states. [2018-06-22 11:29:08,947 INFO ]: Start isEmpty. Operand 313 states and 539 transitions. [2018-06-22 11:29:08,958 INFO ]: Finished isEmpty. Found accepting run of length 978 [2018-06-22 11:29:08,958 INFO ]: Found error trace [2018-06-22 11:29:08,959 INFO ]: trace histogram [78, 70, 52, 52, 52, 52, 29, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 26, 26, 26, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 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] [2018-06-22 11:29:08,959 INFO ]: === Iteration 14 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:08,959 INFO ]: Analyzing trace with hash 590753424, now seen corresponding path program 7 times [2018-06-22 11:29:08,959 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:08,959 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:08,960 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:08,960 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:29:08,960 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:09,077 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:10,516 INFO ]: Checked inductivity of 19439 backedges. 519 proven. 341 refuted. 0 times theorem prover too weak. 18579 trivial. 0 not checked. [2018-06-22 11:29:10,516 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:10,539 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-22 11:29:10,549 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:10,977 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:10,998 INFO ]: Computing forward predicates... [2018-06-22 11:29:11,425 INFO ]: Checked inductivity of 19439 backedges. 1538 proven. 358 refuted. 0 times theorem prover too weak. 17543 trivial. 0 not checked. [2018-06-22 11:29:11,447 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:11,447 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 20 [2018-06-22 11:29:11,448 INFO ]: Interpolant automaton has 20 states [2018-06-22 11:29:11,448 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 11:29:11,449 INFO ]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2018-06-22 11:29:11,449 INFO ]: Start difference. First operand 313 states and 539 transitions. Second operand 20 states. [2018-06-22 11:29:13,651 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:13,651 INFO ]: Finished difference Result 423 states and 712 transitions. [2018-06-22 11:29:13,652 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-06-22 11:29:13,652 INFO ]: Start accepts. Automaton has 20 states. Word has length 977 [2018-06-22 11:29:13,653 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:13,657 INFO ]: With dead ends: 423 [2018-06-22 11:29:13,657 INFO ]: Without dead ends: 407 [2018-06-22 11:29:13,657 INFO ]: 0 DeclaredPredicates, 990 GetRequests, 968 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2018-06-22 11:29:13,658 INFO ]: Start minimizeSevpa. Operand 407 states. [2018-06-22 11:29:13,690 INFO ]: Finished minimizeSevpa. Reduced states from 407 to 377. [2018-06-22 11:29:13,690 INFO ]: Start removeUnreachable. Operand 377 states. [2018-06-22 11:29:13,695 INFO ]: Finished removeUnreachable. Reduced from 377 states to 377 states and 634 transitions. [2018-06-22 11:29:13,695 INFO ]: Start accepts. Automaton has 377 states and 634 transitions. Word has length 977 [2018-06-22 11:29:13,696 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:13,696 INFO ]: Abstraction has 377 states and 634 transitions. [2018-06-22 11:29:13,696 INFO ]: Interpolant automaton has 20 states. [2018-06-22 11:29:13,696 INFO ]: Start isEmpty. Operand 377 states and 634 transitions. [2018-06-22 11:29:13,710 INFO ]: Finished isEmpty. Found accepting run of length 1142 [2018-06-22 11:29:13,710 INFO ]: Found error trace [2018-06-22 11:29:13,710 INFO ]: trace histogram [92, 81, 61, 61, 61, 61, 34, 33, 33, 33, 33, 31, 31, 31, 31, 31, 31, 30, 30, 30, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:29:13,710 INFO ]: === Iteration 15 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:13,711 INFO ]: Analyzing trace with hash -1410717988, now seen corresponding path program 8 times [2018-06-22 11:29:13,711 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:13,711 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:13,711 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:13,711 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:29:13,711 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:13,855 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:15,634 INFO ]: Checked inductivity of 27048 backedges. 371 proven. 571 refuted. 0 times theorem prover too weak. 26106 trivial. 0 not checked. [2018-06-22 11:29:15,634 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:15,740 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:15,745 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 11:29:16,156 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 11:29:16,156 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:16,171 INFO ]: Computing forward predicates... [2018-06-22 11:29:16,788 INFO ]: Checked inductivity of 27048 backedges. 1731 proven. 602 refuted. 0 times theorem prover too weak. 24715 trivial. 0 not checked. [2018-06-22 11:29:16,809 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:16,810 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 19 [2018-06-22 11:29:16,811 INFO ]: Interpolant automaton has 19 states [2018-06-22 11:29:16,811 INFO ]: Constructing interpolant automaton starting with 19 interpolants. [2018-06-22 11:29:16,811 INFO ]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2018-06-22 11:29:16,811 INFO ]: Start difference. First operand 377 states and 634 transitions. Second operand 19 states. [2018-06-22 11:29:17,361 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:17,361 INFO ]: Finished difference Result 496 states and 830 transitions. [2018-06-22 11:29:17,362 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 11:29:17,362 INFO ]: Start accepts. Automaton has 19 states. Word has length 1141 [2018-06-22 11:29:17,362 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:17,366 INFO ]: With dead ends: 496 [2018-06-22 11:29:17,366 INFO ]: Without dead ends: 468 [2018-06-22 11:29:17,367 INFO ]: 0 DeclaredPredicates, 1155 GetRequests, 1134 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2018-06-22 11:29:17,367 INFO ]: Start minimizeSevpa. Operand 468 states. [2018-06-22 11:29:17,399 INFO ]: Finished minimizeSevpa. Reduced states from 468 to 418. [2018-06-22 11:29:17,399 INFO ]: Start removeUnreachable. Operand 418 states. [2018-06-22 11:29:17,403 INFO ]: Finished removeUnreachable. Reduced from 418 states to 418 states and 706 transitions. [2018-06-22 11:29:17,403 INFO ]: Start accepts. Automaton has 418 states and 706 transitions. Word has length 1141 [2018-06-22 11:29:17,404 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:17,404 INFO ]: Abstraction has 418 states and 706 transitions. [2018-06-22 11:29:17,404 INFO ]: Interpolant automaton has 19 states. [2018-06-22 11:29:17,404 INFO ]: Start isEmpty. Operand 418 states and 706 transitions. [2018-06-22 11:29:17,414 INFO ]: Finished isEmpty. Found accepting run of length 842 [2018-06-22 11:29:17,414 INFO ]: Found error trace [2018-06-22 11:29:17,414 INFO ]: trace histogram [68, 60, 46, 46, 46, 46, 25, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2018-06-22 11:29:17,414 INFO ]: === Iteration 16 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:17,414 INFO ]: Analyzing trace with hash -359834896, now seen corresponding path program 9 times [2018-06-22 11:29:17,414 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:17,414 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:17,415 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:17,415 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:29:17,415 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:17,508 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:19,414 INFO ]: Checked inductivity of 14673 backedges. 416 proven. 275 refuted. 0 times theorem prover too weak. 13982 trivial. 0 not checked. [2018-06-22 11:29:19,414 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:19,414 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:19,420 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 11:29:19,628 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-06-22 11:29:19,628 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:19,637 INFO ]: Computing forward predicates... [2018-06-22 11:29:20,329 INFO ]: Checked inductivity of 14673 backedges. 2816 proven. 18 refuted. 0 times theorem prover too weak. 11839 trivial. 0 not checked. [2018-06-22 11:29:20,350 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:20,350 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 20 [2018-06-22 11:29:20,351 INFO ]: Interpolant automaton has 20 states [2018-06-22 11:29:20,351 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 11:29:20,351 INFO ]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2018-06-22 11:29:20,351 INFO ]: Start difference. First operand 418 states and 706 transitions. Second operand 20 states. [2018-06-22 11:29:20,969 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:29:20,969 INFO ]: Finished difference Result 498 states and 865 transitions. [2018-06-22 11:29:20,996 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-22 11:29:20,996 INFO ]: Start accepts. Automaton has 20 states. Word has length 841 [2018-06-22 11:29:20,997 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:29:21,002 INFO ]: With dead ends: 498 [2018-06-22 11:29:21,002 INFO ]: Without dead ends: 492 [2018-06-22 11:29:21,002 INFO ]: 0 DeclaredPredicates, 857 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2018-06-22 11:29:21,003 INFO ]: Start minimizeSevpa. Operand 492 states. [2018-06-22 11:29:21,033 INFO ]: Finished minimizeSevpa. Reduced states from 492 to 450. [2018-06-22 11:29:21,033 INFO ]: Start removeUnreachable. Operand 450 states. [2018-06-22 11:29:21,037 INFO ]: Finished removeUnreachable. Reduced from 450 states to 450 states and 764 transitions. [2018-06-22 11:29:21,037 INFO ]: Start accepts. Automaton has 450 states and 764 transitions. Word has length 841 [2018-06-22 11:29:21,039 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:29:21,039 INFO ]: Abstraction has 450 states and 764 transitions. [2018-06-22 11:29:21,039 INFO ]: Interpolant automaton has 20 states. [2018-06-22 11:29:21,039 INFO ]: Start isEmpty. Operand 450 states and 764 transitions. [2018-06-22 11:29:21,052 INFO ]: Finished isEmpty. Found accepting run of length 1050 [2018-06-22 11:29:21,052 INFO ]: Found error trace [2018-06-22 11:29:21,052 INFO ]: trace histogram [82, 76, 54, 54, 54, 54, 31, 30, 30, 30, 30, 28, 28, 28, 28, 28, 28, 26, 26, 26, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 2, 2, 2, 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] [2018-06-22 11:29:21,052 INFO ]: === Iteration 17 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:29:21,053 INFO ]: Analyzing trace with hash 74293640, now seen corresponding path program 10 times [2018-06-22 11:29:21,053 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:29:21,053 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:29:21,053 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:21,053 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 11:29:21,053 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:29:21,172 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:23,314 INFO ]: Checked inductivity of 21703 backedges. 138 proven. 694 refuted. 0 times theorem prover too weak. 20871 trivial. 0 not checked. [2018-06-22 11:29:23,315 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:29:23,315 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:29:23,321 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 11:29:23,661 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 11:29:23,661 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:29:23,676 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 11:29:24,289 INFO ]: Checked inductivity of 21703 backedges. 126 proven. 543 refuted. 0 times theorem prover too weak. 21034 trivial. 0 not checked. [2018-06-22 11:29:24,311 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:29:24,311 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 26 [2018-06-22 11:29:24,312 INFO ]: Interpolant automaton has 26 states [2018-06-22 11:29:24,312 INFO ]: Constructing interpolant automaton starting with 26 interpolants. [2018-06-22 11:29:24,312 INFO ]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2018-06-22 11:29:24,313 INFO ]: Start difference. First operand 450 states and 764 transitions. Second operand 26 states. [2018-06-22 11:29:24,313 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:29:24,313 WARN ]: Verification canceled [2018-06-22 11:29:24,466 WARN ]: Timeout [2018-06-22 11:29:24,466 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:29:24 BoogieIcfgContainer [2018-06-22 11:29:24,466 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:29:24,467 INFO ]: Toolchain (without parser) took 51885.22 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 256.7 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 522.8 MB. Max. memory is 3.6 GB. [2018-06-22 11:29:24,468 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:29:24,469 INFO ]: ChcToBoogie took 58.23 ms. Allocated memory is still 308.3 MB. Free memory was 256.7 MB in the beginning and 252.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:29:24,469 INFO ]: Boogie Preprocessor took 58.64 ms. Allocated memory is still 308.3 MB. Free memory is still 252.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:29:24,469 INFO ]: RCFGBuilder took 587.66 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 230.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:29:24,469 INFO ]: TraceAbstraction took 51161.04 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 228.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 494.9 MB. Max. memory is 3.6 GB. [2018-06-22 11:29:24,483 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.23 ms. Allocated memory is still 308.3 MB. Free memory was 256.7 MB in the beginning and 252.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.64 ms. Allocated memory is still 308.3 MB. Free memory is still 252.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 587.66 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 230.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 51161.04 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Free memory was 228.7 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 494.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was constructing difference of abstraction (450states) and interpolant automaton (currently 2 states, 26 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 102 locations, 1 error locations. TIMEOUT Result, 51.0s OverallTime, 17 OverallIterations, 130 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2202 SDtfs, 146 SDslu, 24270 SDs, 0 SdLazy, 11365 SolverSat, 309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13702 GetRequests, 13401 SyntacticMatches, 11 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=16, 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: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 306 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.3s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 26964 NumberOfCodeBlocks, 24571 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 26932 ConstructedInterpolants, 0 QuantifiedInterpolants, 33610080 SizeOfPredicates, 151 NumberOfNonLiveVariables, 36879 ConjunctsInSsa, 333 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 667777/679036 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dotprod5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-29-24-492.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dotprod5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-29-24-492.csv Completed graceful shutdown