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/apply.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:26:26,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:26:26,271 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:26:26,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:26:26,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:26:26,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:26:26,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:26:26,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:26:26,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:26:26,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:26:26,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:26:26,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:26:26,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:26:26,295 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:26:26,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:26:26,296 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:26:26,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:26:26,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:26:26,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:26:26,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:26:26,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:26:26,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:26:26,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:26:26,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:26:26,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:26:26,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:26:26,321 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:26:26,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:26:26,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:26:26,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:26:26,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:26:26,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:26:26,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:26:26,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:26:26,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:26:26,328 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 11:26:26,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:26:26,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:26:26,348 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:26:26,349 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:26:26,350 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:26:26,350 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:26:26,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:26:26,350 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:26:26,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:26:26,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:26:26,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:26:26,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:26:26,351 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:26:26,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:26:26,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:26:26,352 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:26:26,352 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:26:26,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:26:26,352 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:26:26,353 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:26:26,354 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:26:26,415 INFO ]: Repository-Root is: /tmp [2018-06-22 11:26:26,433 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:26:26,438 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:26:26,439 INFO ]: Initializing SmtParser... [2018-06-22 11:26:26,439 INFO ]: SmtParser initialized [2018-06-22 11:26:26,440 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/apply.smt2 [2018-06-22 11:26:26,442 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 11:26:26,528 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/apply.smt2 unknown [2018-06-22 11:26:26,695 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/apply.smt2 [2018-06-22 11:26:26,700 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:26:26,706 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:26:26,707 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:26:26,707 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:26:26,707 INFO ]: ChcToBoogie initialized [2018-06-22 11:26:26,710 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,742 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26 Unit [2018-06-22 11:26:26,742 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:26:26,743 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:26:26,743 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:26:26,743 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:26:26,765 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,765 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,772 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,772 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,777 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,779 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,780 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (1/1) ... [2018-06-22 11:26:26,781 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:26:26,785 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:26:26,785 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:26:26,785 INFO ]: RCFGBuilder initialized [2018-06-22 11:26:26,786 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (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 11:26:26,798 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:26:26,798 INFO ]: Found specification of procedure False [2018-06-22 11:26:26,798 INFO ]: Found implementation of procedure False [2018-06-22 11:26:26,798 INFO ]: Specification and implementation of procedure gDLRunknownCLN6 given in one single declaration [2018-06-22 11:26:26,798 INFO ]: Found specification of procedure gDLRunknownCLN6 [2018-06-22 11:26:26,798 INFO ]: Found implementation of procedure gDLRunknownCLN6 [2018-06-22 11:26:26,798 INFO ]: Specification and implementation of procedure kDLRunknownCLN8 given in one single declaration [2018-06-22 11:26:26,798 INFO ]: Found specification of procedure kDLRunknownCLN8 [2018-06-22 11:26:26,798 INFO ]: Found implementation of procedure kDLRunknownCLN8 [2018-06-22 11:26:26,798 INFO ]: Specification and implementation of procedure applyDLRunknownCLN4 given in one single declaration [2018-06-22 11:26:26,798 INFO ]: Found specification of procedure applyDLRunknownCLN4 [2018-06-22 11:26:26,798 INFO ]: Found implementation of procedure applyDLRunknownCLN4 [2018-06-22 11:26:26,799 INFO ]: Specification and implementation of procedure applyDLRunknownCLN2 given in one single declaration [2018-06-22 11:26:26,799 INFO ]: Found specification of procedure applyDLRunknownCLN2 [2018-06-22 11:26:26,799 INFO ]: Found implementation of procedure applyDLRunknownCLN2 [2018-06-22 11:26:26,799 INFO ]: Specification and implementation of procedure gDLRunknownCLN7 given in one single declaration [2018-06-22 11:26:26,799 INFO ]: Found specification of procedure gDLRunknownCLN7 [2018-06-22 11:26:26,799 INFO ]: Found implementation of procedure gDLRunknownCLN7 [2018-06-22 11:26:26,799 INFO ]: Specification and implementation of procedure applyDLRunknownCLN3 given in one single declaration [2018-06-22 11:26:26,799 INFO ]: Found specification of procedure applyDLRunknownCLN3 [2018-06-22 11:26:26,799 INFO ]: Found implementation of procedure applyDLRunknownCLN3 [2018-06-22 11:26:26,799 INFO ]: Specification and implementation of procedure applyDLRunknownCLN1 given in one single declaration [2018-06-22 11:26:26,799 INFO ]: Found specification of procedure applyDLRunknownCLN1 [2018-06-22 11:26:26,799 INFO ]: Found implementation of procedure applyDLRunknownCLN1 [2018-06-22 11:26:26,799 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:26:26,799 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:26:26,799 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:26:27,176 INFO ]: Using library mode [2018-06-22 11:26:27,177 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:26:27 BoogieIcfgContainer [2018-06-22 11:26:27,177 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:26:27,178 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:26:27,178 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:26:27,181 INFO ]: TraceAbstraction initialized [2018-06-22 11:26:27,181 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:26:26" (1/3) ... [2018-06-22 11:26:27,182 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74aeff06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:26:27, skipping insertion in model container [2018-06-22 11:26:27,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:26:26" (2/3) ... [2018-06-22 11:26:27,182 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74aeff06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:26:27, skipping insertion in model container [2018-06-22 11:26:27,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:26:27" (3/3) ... [2018-06-22 11:26:27,184 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:26:27,193 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:26:27,203 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:26:27,239 INFO ]: Using default assertion order modulation [2018-06-22 11:26:27,240 INFO ]: Interprodecural is true [2018-06-22 11:26:27,240 INFO ]: Hoare is false [2018-06-22 11:26:27,240 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:26:27,240 INFO ]: Backedges is TWOTRACK [2018-06-22 11:26:27,240 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:26:27,240 INFO ]: Difference is false [2018-06-22 11:26:27,240 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:26:27,240 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:26:27,253 INFO ]: Start isEmpty. Operand 42 states. [2018-06-22 11:26:27,264 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:26:27,264 INFO ]: Found error trace [2018-06-22 11:26:27,266 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:26:27,266 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:26:27,270 INFO ]: Analyzing trace with hash 91649827, now seen corresponding path program 1 times [2018-06-22 11:26:27,271 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:26:27,272 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:26:27,303 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:27,303 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:26:27,304 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:27,317 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:26:27,338 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:26:27,339 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:26:27,339 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:26:27,341 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:26:27,350 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:26:27,351 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:26:27,353 INFO ]: Start difference. First operand 42 states. Second operand 2 states. [2018-06-22 11:26:27,374 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:26:27,374 INFO ]: Finished difference Result 40 states and 46 transitions. [2018-06-22 11:26:27,374 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:26:27,377 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:26:27,377 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:26:27,394 INFO ]: With dead ends: 40 [2018-06-22 11:26:27,394 INFO ]: Without dead ends: 40 [2018-06-22 11:26:27,396 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 11:26:27,409 INFO ]: Start minimizeSevpa. Operand 40 states. [2018-06-22 11:26:27,428 INFO ]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-06-22 11:26:27,429 INFO ]: Start removeUnreachable. Operand 40 states. [2018-06-22 11:26:27,431 INFO ]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-06-22 11:26:27,432 INFO ]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 5 [2018-06-22 11:26:27,432 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:26:27,432 INFO ]: Abstraction has 40 states and 46 transitions. [2018-06-22 11:26:27,432 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:26:27,432 INFO ]: Start isEmpty. Operand 40 states and 46 transitions. [2018-06-22 11:26:27,434 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 11:26:27,434 INFO ]: Found error trace [2018-06-22 11:26:27,434 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:26:27,434 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:26:27,435 INFO ]: Analyzing trace with hash 659150087, now seen corresponding path program 1 times [2018-06-22 11:26:27,435 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:26:27,435 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:26:27,435 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:27,435 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:26:27,435 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:27,454 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:26:27,636 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 11:26:27,636 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:26:27,637 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-22 11:26:27,638 INFO ]: Interpolant automaton has 8 states [2018-06-22 11:26:27,639 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 11:26:27,639 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 11:26:27,639 INFO ]: Start difference. First operand 40 states and 46 transitions. Second operand 8 states. [2018-06-22 11:26:28,248 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:26:28,249 INFO ]: Finished difference Result 51 states and 65 transitions. [2018-06-22 11:26:28,251 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 11:26:28,251 INFO ]: Start accepts. Automaton has 8 states. Word has length 25 [2018-06-22 11:26:28,252 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:26:28,255 INFO ]: With dead ends: 51 [2018-06-22 11:26:28,256 INFO ]: Without dead ends: 51 [2018-06-22 11:26:28,259 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-06-22 11:26:28,259 INFO ]: Start minimizeSevpa. Operand 51 states. [2018-06-22 11:26:28,280 INFO ]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-06-22 11:26:28,280 INFO ]: Start removeUnreachable. Operand 49 states. [2018-06-22 11:26:28,282 INFO ]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2018-06-22 11:26:28,282 INFO ]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 25 [2018-06-22 11:26:28,283 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:26:28,283 INFO ]: Abstraction has 49 states and 62 transitions. [2018-06-22 11:26:28,283 INFO ]: Interpolant automaton has 8 states. [2018-06-22 11:26:28,283 INFO ]: Start isEmpty. Operand 49 states and 62 transitions. [2018-06-22 11:26:28,289 INFO ]: Finished isEmpty. Found accepting run of length 86 [2018-06-22 11:26:28,289 INFO ]: Found error trace [2018-06-22 11:26:28,290 INFO ]: trace histogram [8, 7, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-06-22 11:26:28,290 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:26:28,290 INFO ]: Analyzing trace with hash -320117090, now seen corresponding path program 1 times [2018-06-22 11:26:28,290 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:26:28,290 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:26:28,293 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:28,293 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:26:28,293 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:26:28,341 INFO ]: Conjunction of SSA is sat [2018-06-22 11:26:28,343 INFO ]: Counterexample might be feasible [2018-06-22 11:26:28,381 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:26:28 BoogieIcfgContainer [2018-06-22 11:26:28,381 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:26:28,382 INFO ]: Toolchain (without parser) took 1681.05 ms. Allocated memory is still 308.3 MB. Free memory was 264.7 MB in the beginning and 214.5 MB in the end (delta: 50.2 MB). Peak memory consumption was 50.2 MB. Max. memory is 3.6 GB. [2018-06-22 11:26:28,383 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:26:28,384 INFO ]: ChcToBoogie took 35.53 ms. Allocated memory is still 308.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:26:28,385 INFO ]: Boogie Preprocessor took 38.14 ms. Allocated memory is still 308.3 MB. Free memory was 261.7 MB in the beginning and 260.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 11:26:28,386 INFO ]: RCFGBuilder took 391.38 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 252.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:26:28,387 INFO ]: TraceAbstraction took 1202.63 ms. Allocated memory is still 308.3 MB. Free memory was 251.6 MB in the beginning and 214.5 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 3.6 GB. [2018-06-22 11:26:28,391 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 35.53 ms. Allocated memory is still 308.3 MB. Free memory was 263.7 MB in the beginning and 261.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 38.14 ms. Allocated memory is still 308.3 MB. Free memory was 261.7 MB in the beginning and 260.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 391.38 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 252.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1202.63 ms. Allocated memory is still 308.3 MB. Free memory was 251.6 MB in the beginning and 214.5 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call False(); [L0] assume !((!(0 == hbv_False_3_Int) || hbv_False_1_Int == hbv_False_2_Int) && (0 == hbv_False_3_Int || !(hbv_False_1_Int == hbv_False_2_Int))) && 0 == hbv_False_3_Int; [L0] CALL call gDLRunknownCLN6(hbv_False_2_Int, hbv_False_1_Int); [L0] assume true; [L0] CALL call applyDLRunknownCLN1(hhv_gDLRunknownCLN6_0_Int); [L0] assume true; [L0] CALL call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] assume true; [L0] CALL call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] RET call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] RET call applyDLRunknownCLN1(hhv_gDLRunknownCLN6_0_Int); [L0] CALL call kDLRunknownCLN8(hhv_gDLRunknownCLN6_1_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == hbv_kDLRunknownCLN8_1_Int + 1; [L0] CALL call applyDLRunknownCLN4(hbv_kDLRunknownCLN8_2_Int, hbv_kDLRunknownCLN8_1_Int); [L0] assume hhv_applyDLRunknownCLN4_0_Int == hbv_applyDLRunknownCLN4_1_Int; [L0] CALL call applyDLRunknownCLN3(hhv_applyDLRunknownCLN4_1_Int); [L0] assume true; [L0] CALL call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] RET call applyDLRunknownCLN3(hhv_applyDLRunknownCLN4_1_Int); [L0] CALL call applyDLRunknownCLN2(hbv_applyDLRunknownCLN4_1_Int, hhv_applyDLRunknownCLN4_1_Int); [L0] assume true; [L0] CALL call gDLRunknownCLN7(hhv_applyDLRunknownCLN2_0_Int, hhv_applyDLRunknownCLN2_1_Int, hbv_applyDLRunknownCLN2_1_Int); [L0] assume (!((!(0 == hbv_gDLRunknownCLN7_1_Int) || hhv_gDLRunknownCLN7_2_Int == hhv_gDLRunknownCLN7_1_Int) && (0 == hbv_gDLRunknownCLN7_1_Int || !(hhv_gDLRunknownCLN7_2_Int == hhv_gDLRunknownCLN7_1_Int))) && hhv_gDLRunknownCLN7_0_Int == 1) && !(0 == hbv_gDLRunknownCLN7_1_Int); [L0] CALL call gDLRunknownCLN6(hhv_gDLRunknownCLN7_1_Int, hhv_gDLRunknownCLN7_2_Int); [L0] assume true; [L0] CALL call applyDLRunknownCLN1(hhv_gDLRunknownCLN6_0_Int); [L0] assume true; [L0] CALL call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] assume true; [L0] CALL call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] RET call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] RET call applyDLRunknownCLN1(hhv_gDLRunknownCLN6_0_Int); [L0] CALL call kDLRunknownCLN8(hhv_gDLRunknownCLN6_1_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hhv_gDLRunknownCLN6_1_Int); [L0] RET call gDLRunknownCLN6(hhv_gDLRunknownCLN7_1_Int, hhv_gDLRunknownCLN7_2_Int); [L0] RET call gDLRunknownCLN7(hhv_applyDLRunknownCLN2_0_Int, hhv_applyDLRunknownCLN2_1_Int, hbv_applyDLRunknownCLN2_1_Int); [L0] CALL call applyDLRunknownCLN1(hhv_applyDLRunknownCLN2_1_Int); [L0] assume true; [L0] CALL call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] assume true; [L0] CALL call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hhv_applyDLRunknownCLN3_0_Int); [L0] RET call applyDLRunknownCLN3(hhv_applyDLRunknownCLN1_0_Int); [L0] RET call applyDLRunknownCLN1(hhv_applyDLRunknownCLN2_1_Int); [L0] CALL call kDLRunknownCLN8(hbv_applyDLRunknownCLN2_1_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hbv_applyDLRunknownCLN2_1_Int); [L0] RET call applyDLRunknownCLN2(hbv_applyDLRunknownCLN4_1_Int, hhv_applyDLRunknownCLN4_1_Int); [L0] RET call applyDLRunknownCLN4(hbv_kDLRunknownCLN8_2_Int, hbv_kDLRunknownCLN8_1_Int); [L0] CALL call kDLRunknownCLN8(hbv_kDLRunknownCLN8_1_Int); [L0] assume hhv_kDLRunknownCLN8_0_Int == 0; [L0] RET call kDLRunknownCLN8(hbv_kDLRunknownCLN8_1_Int); [L0] RET call kDLRunknownCLN8(hhv_gDLRunknownCLN6_1_Int); [L0] RET call gDLRunknownCLN6(hbv_False_2_Int, hbv_False_1_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 42 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 3 OverallIterations, 8 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 82 SDtfs, 3 SDslu, 203 SDs, 0 SdLazy, 85 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/apply.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-26-28-409.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/apply.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-26-28-409.csv Received shutdown request...