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/llreve-bench/smt2/faulty__nested-while!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:56:12,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:56:12,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:56:12,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:56:12,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:56:12,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:56:12,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:56:12,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:56:12,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:56:12,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:56:12,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:56:12,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:56:12,351 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:56:12,354 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:56:12,355 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:56:12,356 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:56:12,358 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:56:12,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:56:12,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:56:12,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:56:12,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:56:12,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:56:12,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:56:12,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:56:12,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:56:12,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:56:12,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:56:12,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:56:12,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:56:12,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:56:12,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:56:12,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:56:12,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:56:12,383 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:56:12,384 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:56:12,384 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 11:56:12,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:56:12,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:56:12,404 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:56:12,405 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:56:12,406 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:56:12,406 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:56:12,406 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:56:12,406 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:56:12,406 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:56:12,407 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:56:12,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:56:12,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:56:12,407 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:56:12,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:56:12,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:56:12,408 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:56:12,408 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:56:12,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:56:12,409 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:56:12,410 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:56:12,410 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:56:12,452 INFO ]: Repository-Root is: /tmp [2018-06-22 11:56:12,467 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:56:12,472 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:56:12,473 INFO ]: Initializing SmtParser... [2018-06-22 11:56:12,473 INFO ]: SmtParser initialized [2018-06-22 11:56:12,474 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__nested-while!.smt2 [2018-06-22 11:56:12,475 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 11:56:12,546 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__nested-while!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@6d0cc5fa [2018-06-22 11:56:12,738 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__nested-while!.smt2 [2018-06-22 11:56:12,743 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:56:12,749 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:56:12,750 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:56:12,750 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:56:12,750 INFO ]: ChcToBoogie initialized [2018-06-22 11:56:12,753 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,800 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12 Unit [2018-06-22 11:56:12,800 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:56:12,800 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:56:12,801 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:56:12,801 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:56:12,823 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,823 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,830 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,830 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,832 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,835 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,836 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (1/1) ... [2018-06-22 11:56:12,837 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:56:12,837 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:56:12,837 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:56:12,837 INFO ]: RCFGBuilder initialized [2018-06-22 11:56:12,841 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (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 11:56:12,851 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:56:12,851 INFO ]: Found specification of procedure False [2018-06-22 11:56:12,851 INFO ]: Found implementation of procedure False [2018-06-22 11:56:12,852 INFO ]: Specification and implementation of procedure INV_MAIN_42 given in one single declaration [2018-06-22 11:56:12,852 INFO ]: Found specification of procedure INV_MAIN_42 [2018-06-22 11:56:12,852 INFO ]: Found implementation of procedure INV_MAIN_42 [2018-06-22 11:56:12,852 INFO ]: Specification and implementation of procedure INV_MAIN_23 given in one single declaration [2018-06-22 11:56:12,852 INFO ]: Found specification of procedure INV_MAIN_23 [2018-06-22 11:56:12,852 INFO ]: Found implementation of procedure INV_MAIN_23 [2018-06-22 11:56:12,852 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:56:12,852 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:56:12,852 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 11:56:13,234 INFO ]: Using library mode [2018-06-22 11:56:13,235 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:56:13 BoogieIcfgContainer [2018-06-22 11:56:13,235 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:56:13,236 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:56:13,236 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:56:13,242 INFO ]: TraceAbstraction initialized [2018-06-22 11:56:13,242 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:56:12" (1/3) ... [2018-06-22 11:56:13,243 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d9ad33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:56:13, skipping insertion in model container [2018-06-22 11:56:13,243 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:12" (2/3) ... [2018-06-22 11:56:13,243 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d9ad33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:56:13, skipping insertion in model container [2018-06-22 11:56:13,243 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:56:13" (3/3) ... [2018-06-22 11:56:13,247 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:56:13,256 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:56:13,267 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:56:13,314 INFO ]: Using default assertion order modulation [2018-06-22 11:56:13,315 INFO ]: Interprodecural is true [2018-06-22 11:56:13,315 INFO ]: Hoare is false [2018-06-22 11:56:13,315 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:56:13,315 INFO ]: Backedges is TWOTRACK [2018-06-22 11:56:13,315 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:56:13,315 INFO ]: Difference is false [2018-06-22 11:56:13,315 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:56:13,315 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:56:13,334 INFO ]: Start isEmpty. Operand 22 states. [2018-06-22 11:56:13,354 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 11:56:13,354 INFO ]: Found error trace [2018-06-22 11:56:13,355 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:13,355 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:13,358 INFO ]: Analyzing trace with hash -2051127978, now seen corresponding path program 1 times [2018-06-22 11:56:13,360 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:13,360 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:13,395 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,395 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:13,395 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,431 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:13,518 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:56:13,520 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:13,520 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:56:13,522 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:56:13,533 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:56:13,533 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:13,535 INFO ]: Start difference. First operand 22 states. Second operand 4 states. [2018-06-22 11:56:13,674 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:13,674 INFO ]: Finished difference Result 24 states and 37 transitions. [2018-06-22 11:56:13,675 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:56:13,676 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 11:56:13,676 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:13,687 INFO ]: With dead ends: 24 [2018-06-22 11:56:13,687 INFO ]: Without dead ends: 24 [2018-06-22 11:56:13,688 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:13,700 INFO ]: Start minimizeSevpa. Operand 24 states. [2018-06-22 11:56:13,727 INFO ]: Finished minimizeSevpa. Reduced states from 24 to 22. [2018-06-22 11:56:13,729 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-22 11:56:13,730 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 35 transitions. [2018-06-22 11:56:13,731 INFO ]: Start accepts. Automaton has 22 states and 35 transitions. Word has length 9 [2018-06-22 11:56:13,731 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:13,731 INFO ]: Abstraction has 22 states and 35 transitions. [2018-06-22 11:56:13,731 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:56:13,731 INFO ]: Start isEmpty. Operand 22 states and 35 transitions. [2018-06-22 11:56:13,733 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 11:56:13,733 INFO ]: Found error trace [2018-06-22 11:56:13,733 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:13,733 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:13,734 INFO ]: Analyzing trace with hash 1931091934, now seen corresponding path program 1 times [2018-06-22 11:56:13,734 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:13,734 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:13,734 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,734 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:13,734 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,739 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:13,791 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:56:13,792 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:13,792 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:56:13,793 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:56:13,793 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:56:13,793 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:13,793 INFO ]: Start difference. First operand 22 states and 35 transitions. Second operand 4 states. [2018-06-22 11:56:13,877 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:13,877 INFO ]: Finished difference Result 24 states and 36 transitions. [2018-06-22 11:56:13,878 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:56:13,878 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 11:56:13,878 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:13,879 INFO ]: With dead ends: 24 [2018-06-22 11:56:13,879 INFO ]: Without dead ends: 24 [2018-06-22 11:56:13,880 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:13,880 INFO ]: Start minimizeSevpa. Operand 24 states. [2018-06-22 11:56:13,885 INFO ]: Finished minimizeSevpa. Reduced states from 24 to 22. [2018-06-22 11:56:13,885 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-22 11:56:13,886 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 34 transitions. [2018-06-22 11:56:13,886 INFO ]: Start accepts. Automaton has 22 states and 34 transitions. Word has length 9 [2018-06-22 11:56:13,886 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:13,886 INFO ]: Abstraction has 22 states and 34 transitions. [2018-06-22 11:56:13,886 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:56:13,886 INFO ]: Start isEmpty. Operand 22 states and 34 transitions. [2018-06-22 11:56:13,888 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 11:56:13,888 INFO ]: Found error trace [2018-06-22 11:56:13,888 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:13,888 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:13,888 INFO ]: Analyzing trace with hash -464691335, now seen corresponding path program 1 times [2018-06-22 11:56:13,889 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:13,889 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:13,889 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,889 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:13,889 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:13,895 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:14,004 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:56:14,005 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:14,005 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:56:14,005 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:56:14,005 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:56:14,005 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:14,005 INFO ]: Start difference. First operand 22 states and 34 transitions. Second operand 4 states. [2018-06-22 11:56:14,057 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:14,058 INFO ]: Finished difference Result 24 states and 35 transitions. [2018-06-22 11:56:14,060 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:56:14,060 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 11:56:14,060 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:14,061 INFO ]: With dead ends: 24 [2018-06-22 11:56:14,061 INFO ]: Without dead ends: 24 [2018-06-22 11:56:14,062 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:14,062 INFO ]: Start minimizeSevpa. Operand 24 states. [2018-06-22 11:56:14,068 INFO ]: Finished minimizeSevpa. Reduced states from 24 to 22. [2018-06-22 11:56:14,068 INFO ]: Start removeUnreachable. Operand 22 states. [2018-06-22 11:56:14,069 INFO ]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2018-06-22 11:56:14,069 INFO ]: Start accepts. Automaton has 22 states and 33 transitions. Word has length 9 [2018-06-22 11:56:14,069 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:14,069 INFO ]: Abstraction has 22 states and 33 transitions. [2018-06-22 11:56:14,069 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:56:14,069 INFO ]: Start isEmpty. Operand 22 states and 33 transitions. [2018-06-22 11:56:14,070 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:56:14,070 INFO ]: Found error trace [2018-06-22 11:56:14,070 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:14,070 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:14,071 INFO ]: Analyzing trace with hash 1780989916, now seen corresponding path program 1 times [2018-06-22 11:56:14,071 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:14,071 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:14,071 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,071 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:14,071 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,087 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:14,304 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 11:56:14,305 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:14,305 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 11:56:14,305 INFO ]: Interpolant automaton has 6 states [2018-06-22 11:56:14,305 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 11:56:14,305 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 11:56:14,305 INFO ]: Start difference. First operand 22 states and 33 transitions. Second operand 6 states. [2018-06-22 11:56:14,437 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:14,437 INFO ]: Finished difference Result 32 states and 54 transitions. [2018-06-22 11:56:14,438 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:56:14,438 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 11:56:14,438 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:14,439 INFO ]: With dead ends: 32 [2018-06-22 11:56:14,439 INFO ]: Without dead ends: 32 [2018-06-22 11:56:14,440 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:56:14,440 INFO ]: Start minimizeSevpa. Operand 32 states. [2018-06-22 11:56:14,447 INFO ]: Finished minimizeSevpa. Reduced states from 32 to 26. [2018-06-22 11:56:14,447 INFO ]: Start removeUnreachable. Operand 26 states. [2018-06-22 11:56:14,448 INFO ]: Finished removeUnreachable. Reduced from 26 states to 26 states and 42 transitions. [2018-06-22 11:56:14,448 INFO ]: Start accepts. Automaton has 26 states and 42 transitions. Word has length 17 [2018-06-22 11:56:14,449 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:14,449 INFO ]: Abstraction has 26 states and 42 transitions. [2018-06-22 11:56:14,449 INFO ]: Interpolant automaton has 6 states. [2018-06-22 11:56:14,449 INFO ]: Start isEmpty. Operand 26 states and 42 transitions. [2018-06-22 11:56:14,450 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:56:14,451 INFO ]: Found error trace [2018-06-22 11:56:14,451 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:14,451 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:14,451 INFO ]: Analyzing trace with hash -165063068, now seen corresponding path program 1 times [2018-06-22 11:56:14,451 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:14,451 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:14,452 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,452 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:14,452 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,463 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:14,595 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 11:56:14,595 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:14,595 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 11:56:14,595 INFO ]: Interpolant automaton has 6 states [2018-06-22 11:56:14,595 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 11:56:14,595 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 11:56:14,596 INFO ]: Start difference. First operand 26 states and 42 transitions. Second operand 6 states. [2018-06-22 11:56:14,767 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:14,767 INFO ]: Finished difference Result 42 states and 76 transitions. [2018-06-22 11:56:14,768 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:56:14,768 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 11:56:14,768 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:14,769 INFO ]: With dead ends: 42 [2018-06-22 11:56:14,769 INFO ]: Without dead ends: 42 [2018-06-22 11:56:14,770 INFO ]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:56:14,771 INFO ]: Start minimizeSevpa. Operand 42 states. [2018-06-22 11:56:14,783 INFO ]: Finished minimizeSevpa. Reduced states from 42 to 34. [2018-06-22 11:56:14,783 INFO ]: Start removeUnreachable. Operand 34 states. [2018-06-22 11:56:14,784 INFO ]: Finished removeUnreachable. Reduced from 34 states to 34 states and 59 transitions. [2018-06-22 11:56:14,784 INFO ]: Start accepts. Automaton has 34 states and 59 transitions. Word has length 17 [2018-06-22 11:56:14,784 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:14,784 INFO ]: Abstraction has 34 states and 59 transitions. [2018-06-22 11:56:14,784 INFO ]: Interpolant automaton has 6 states. [2018-06-22 11:56:14,784 INFO ]: Start isEmpty. Operand 34 states and 59 transitions. [2018-06-22 11:56:14,786 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:56:14,786 INFO ]: Found error trace [2018-06-22 11:56:14,786 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:14,786 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:14,787 INFO ]: Analyzing trace with hash 297429247, now seen corresponding path program 1 times [2018-06-22 11:56:14,787 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:14,787 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:14,788 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,788 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:14,788 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:14,803 INFO ]: Conjunction of SSA is sat [2018-06-22 11:56:14,805 INFO ]: Counterexample might be feasible [2018-06-22 11:56:14,818 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:56:14 BoogieIcfgContainer [2018-06-22 11:56:14,818 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:56:14,819 INFO ]: Toolchain (without parser) took 2075.93 ms. Allocated memory was 304.6 MB in the beginning and 324.0 MB in the end (delta: 19.4 MB). Free memory was 260.0 MB in the beginning and 284.0 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:56:14,822 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:56:14,822 INFO ]: ChcToBoogie took 50.41 ms. Allocated memory is still 304.6 MB. Free memory was 260.0 MB in the beginning and 258.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:14,823 INFO ]: Boogie Preprocessor took 36.40 ms. Allocated memory is still 304.6 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-22 11:56:14,823 INFO ]: RCFGBuilder took 397.56 ms. Allocated memory is still 304.6 MB. Free memory was 257.0 MB in the beginning and 248.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:14,824 INFO ]: TraceAbstraction took 1582.18 ms. Allocated memory was 304.6 MB in the beginning and 324.0 MB in the end (delta: 19.4 MB). Free memory was 247.0 MB in the beginning and 284.0 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:56:14,827 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 304.6 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 50.41 ms. Allocated memory is still 304.6 MB. Free memory was 260.0 MB in the beginning and 258.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.40 ms. Allocated memory is still 304.6 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 397.56 ms. Allocated memory is still 304.6 MB. Free memory was 257.0 MB in the beginning and 248.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1582.18 ms. Allocated memory was 304.6 MB in the beginning and 324.0 MB in the end (delta: 19.4 MB). Free memory was 247.0 MB in the beginning and 284.0 MB in the end (delta: -37.0 MB). There was no memory consumed. 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 (!(hbv_False_1_Int < hbv_False_2_Int) && !(hbv_False_5_Int < hbv_False_6_Int)) && !(hbv_False_3_Int == hbv_False_4_Int); [L0] CALL call INV_MAIN_42(hbv_False_3_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_4_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] assume (hhv_INV_MAIN_42_0_Int == hbv_INV_MAIN_42_1_Int + 1 && !(hhv_INV_MAIN_42_2_Int < hhv_INV_MAIN_42_1_Int)) && !(hhv_INV_MAIN_42_5_Int < hhv_INV_MAIN_42_4_Int); [L0] CALL call INV_MAIN_23(hhv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_4_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_5_Int); [L0] assume ((((hbv_INV_MAIN_23_1_Int < hhv_INV_MAIN_23_2_Int && hhv_INV_MAIN_23_3_Int == hbv_INV_MAIN_23_2_Int + 1) && hhv_INV_MAIN_23_4_Int == hbv_INV_MAIN_23_3_Int - 2) && hhv_INV_MAIN_23_0_Int == hbv_INV_MAIN_23_1_Int + 1) && hhv_INV_MAIN_23_1_Int == hbv_INV_MAIN_23_4_Int - 2) && hbv_INV_MAIN_23_2_Int < hhv_INV_MAIN_23_5_Int; [L0] CALL call INV_MAIN_42(hbv_INV_MAIN_23_4_Int, hbv_INV_MAIN_23_1_Int, hhv_INV_MAIN_23_2_Int, hbv_INV_MAIN_23_3_Int, hbv_INV_MAIN_23_2_Int, hhv_INV_MAIN_23_5_Int); [L0] assume ((hhv_INV_MAIN_42_4_Int == 0 && hhv_INV_MAIN_42_0_Int == hhv_INV_MAIN_42_3_Int) && hhv_INV_MAIN_42_2_Int == hhv_INV_MAIN_42_5_Int) && hhv_INV_MAIN_42_1_Int == 0; [L0] RET call INV_MAIN_42(hbv_INV_MAIN_23_4_Int, hbv_INV_MAIN_23_1_Int, hhv_INV_MAIN_23_2_Int, hbv_INV_MAIN_23_3_Int, hbv_INV_MAIN_23_2_Int, hhv_INV_MAIN_23_5_Int); [L0] RET call INV_MAIN_23(hhv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_4_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_5_Int); [L0] RET call INV_MAIN_42(hbv_False_3_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_4_Int, hbv_False_1_Int, hbv_False_2_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 145 SDtfs, 9 SDslu, 307 SDs, 0 SdLazy, 150 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=5, 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, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 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/faulty__nested-while!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-56-14-846.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__nested-while!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-56-14-846.csv Received shutdown request...