java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:27:04,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:27:04,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:27:05,006 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:27:05,006 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:27:05,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:27:05,008 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:27:05,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:27:05,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:27:05,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:27:05,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:27:05,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:27:05,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:27:05,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:27:05,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:27:05,016 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:27:05,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:27:05,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:27:05,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:27:05,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:27:05,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:27:05,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:27:05,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:27:05,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:27:05,027 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:27:05,028 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:27:05,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:27:05,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:27:05,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:27:05,031 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:27:05,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:27:05,032 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:27:05,033 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:27:05,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:27:05,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:27:05,034 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:27:05,048 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:27:05,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:27:05,048 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:27:05,049 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:27:05,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:27:05,052 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:27:05,052 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:27:05,052 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:27:05,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:27:05,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:27:05,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:27:05,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:27:05,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:27:05,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:27:05,053 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:27:05,054 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:27:05,056 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:27:05,056 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:27:05,102 INFO ]: Repository-Root is: /tmp [2018-06-24 21:27:05,115 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:27:05,118 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:27:05,123 INFO ]: Initializing SmtParser... [2018-06-24 21:27:05,123 INFO ]: SmtParser initialized [2018-06-24 21:27:05,124 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 [2018-06-24 21:27:05,125 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 [2018-06-24 21:27:05,214 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 unknown [2018-06-24 21:27:05,661 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA03.smt2 [2018-06-24 21:27:05,666 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:27:05,678 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:27:05,680 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:27:05,680 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:27:05,681 INFO ]: ChcToBoogie initialized [2018-06-24 21:27:05,684 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,787 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05 Unit [2018-06-24 21:27:05,787 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:27:05,788 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:27:05,788 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:27:05,788 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:27:05,826 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,826 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,842 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,842 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,855 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,857 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,858 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (1/1) ... [2018-06-24 21:27:05,860 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:27:05,861 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:27:05,861 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:27:05,861 INFO ]: RCFGBuilder initialized [2018-06-24 21:27:05,862 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:27:05,889 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:27:05,889 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:27:05,889 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:27:05,889 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:27:05,889 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:27:05,889 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 21:27:06,199 INFO ]: Using library mode [2018-06-24 21:27:06,200 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:06 BoogieIcfgContainer [2018-06-24 21:27:06,200 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:27:06,201 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:27:06,201 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:27:06,202 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:27:06,202 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:06" (1/1) ... [2018-06-24 21:27:06,225 INFO ]: Initial Icfg 26 locations, 35 edges [2018-06-24 21:27:06,226 INFO ]: Using Remove infeasible edges [2018-06-24 21:27:06,227 INFO ]: Using Maximize final states [2018-06-24 21:27:06,227 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:27:06,228 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:27:06,231 INFO ]: Using Remove sink states [2018-06-24 21:27:06,232 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:27:06,232 INFO ]: Using Use SBE [2018-06-24 21:27:06,245 INFO ]: SBE split 0 edges [2018-06-24 21:27:06,251 INFO ]: Removed 5 edges and 2 locations because of local infeasibility [2018-06-24 21:27:06,253 INFO ]: 0 new accepting states [2018-06-24 21:27:06,613 INFO ]: Removed 30 edges and 10 locations by large block encoding [2018-06-24 21:27:06,615 INFO ]: Removed 3 edges and 2 locations by removing sink states [2018-06-24 21:27:06,618 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:27:06,618 INFO ]: 0 new accepting states [2018-06-24 21:27:06,618 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:27:06,618 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:27:06,619 INFO ]: Encoded RCFG 12 locations, 19 edges [2018-06-24 21:27:06,619 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:27:06 BasicIcfg [2018-06-24 21:27:06,619 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:27:06,620 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:27:06,620 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:27:06,627 INFO ]: TraceAbstraction initialized [2018-06-24 21:27:06,627 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:27:05" (1/4) ... [2018-06-24 21:27:06,628 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4f1bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:27:06, skipping insertion in model container [2018-06-24 21:27:06,628 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:27:05" (2/4) ... [2018-06-24 21:27:06,628 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4f1bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:27:06, skipping insertion in model container [2018-06-24 21:27:06,628 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:27:06" (3/4) ... [2018-06-24 21:27:06,630 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4f1bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:27:06, skipping insertion in model container [2018-06-24 21:27:06,630 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:27:06" (4/4) ... [2018-06-24 21:27:06,633 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:27:06,645 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:27:06,656 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:27:06,695 INFO ]: Using default assertion order modulation [2018-06-24 21:27:06,695 INFO ]: Interprodecural is true [2018-06-24 21:27:06,695 INFO ]: Hoare is false [2018-06-24 21:27:06,695 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:27:06,695 INFO ]: Backedges is TWOTRACK [2018-06-24 21:27:06,695 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:27:06,695 INFO ]: Difference is false [2018-06-24 21:27:06,695 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:27:06,696 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:27:06,711 INFO ]: Start isEmpty. Operand 12 states. [2018-06-24 21:27:06,723 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-24 21:27:06,723 INFO ]: Found error trace [2018-06-24 21:27:06,724 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-24 21:27:06,725 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:27:06,730 INFO ]: Analyzing trace with hash 1213771, now seen corresponding path program 1 times [2018-06-24 21:27:06,732 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:27:06,733 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:27:06,775 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:06,775 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:27:06,776 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:06,848 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:27:06,974 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:27:06,977 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:27:06,977 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:27:06,979 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:27:06,994 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:27:06,994 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:27:06,996 INFO ]: Start difference. First operand 12 states. Second operand 3 states. [2018-06-24 21:27:07,278 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:27:07,279 INFO ]: Finished difference Result 21 states and 34 transitions. [2018-06-24 21:27:07,279 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:27:07,280 INFO ]: Start accepts. Automaton has 3 states. Word has length 4 [2018-06-24 21:27:07,281 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:27:07,288 INFO ]: With dead ends: 21 [2018-06-24 21:27:07,288 INFO ]: Without dead ends: 13 [2018-06-24 21:27:07,289 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:27:07,302 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-24 21:27:07,340 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-24 21:27:07,341 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-24 21:27:07,342 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 20 transitions. [2018-06-24 21:27:07,344 INFO ]: Start accepts. Automaton has 13 states and 20 transitions. Word has length 4 [2018-06-24 21:27:07,345 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:27:07,345 INFO ]: Abstraction has 13 states and 20 transitions. [2018-06-24 21:27:07,345 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:27:07,345 INFO ]: Start isEmpty. Operand 13 states and 20 transitions. [2018-06-24 21:27:07,346 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:27:07,346 INFO ]: Found error trace [2018-06-24 21:27:07,346 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:27:07,346 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:27:07,347 INFO ]: Analyzing trace with hash 37619334, now seen corresponding path program 1 times [2018-06-24 21:27:07,347 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:27:07,347 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:27:07,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:07,349 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:27:07,349 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:27:07,387 INFO ]: Conjunction of SSA is sat [2018-06-24 21:27:07,390 INFO ]: Counterexample might be feasible [2018-06-24 21:27:07,403 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:27:07,404 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:27:07 BasicIcfg [2018-06-24 21:27:07,404 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:27:07,406 INFO ]: Toolchain (without parser) took 1732.48 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 250.7 MB in the beginning and 291.5 MB in the end (delta: -40.9 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:27:07,407 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:27:07,407 INFO ]: ChcToBoogie took 107.42 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 247.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:07,408 INFO ]: Boogie Preprocessor took 72.34 ms. Allocated memory is still 308.3 MB. Free memory was 247.7 MB in the beginning and 246.7 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 3.6 GB. [2018-06-24 21:27:07,408 INFO ]: RCFGBuilder took 339.30 ms. Allocated memory is still 308.3 MB. Free memory was 246.7 MB in the beginning and 230.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:07,409 INFO ]: BlockEncodingV2 took 418.58 ms. Allocated memory is still 308.3 MB. Free memory was 230.7 MB in the beginning and 210.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:27:07,409 INFO ]: TraceAbstraction took 784.02 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 210.6 MB in the beginning and 291.5 MB in the end (delta: -81.0 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:27:07,416 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 26 locations, 35 edges - StatisticsResult: Encoded RCFG 12 locations, 19 edges * 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 273.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 107.42 ms. Allocated memory is still 308.3 MB. Free memory was 250.7 MB in the beginning and 247.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 72.34 ms. Allocated memory is still 308.3 MB. Free memory was 247.7 MB in the beginning and 246.7 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 3.6 GB. * RCFGBuilder took 339.30 ms. Allocated memory is still 308.3 MB. Free memory was 246.7 MB in the beginning and 230.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 418.58 ms. Allocated memory is still 308.3 MB. Free memory was 230.7 MB in the beginning and 210.6 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 784.02 ms. Allocated memory was 308.3 MB in the beginning and 328.2 MB in the end (delta: 19.9 MB). Free memory was 210.6 MB in the beginning and 291.5 MB in the end (delta: -81.0 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 gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assume hhv_failDLRunknownCLN25_0_Int == 1 && !(0 == hbv_failDLRunknownCLN25_1_Int); [L0] hhv_omega_1032DLRunknownCLN37_0_Int, hhv_omega_1032DLRunknownCLN37_1_Int, hhv_omega_1032DLRunknownCLN37_2_Int := hbv_failDLRunknownCLN25_2_Int, hbv_failDLRunknownCLN25_3_Int, hbv_failDLRunknownCLN25_1_Int; [L0] havoc hbv_failDLRunknownCLN25_1_Int, hbv_failDLRunknownCLN25_2_Int, hbv_failDLRunknownCLN25_3_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 7 SDslu, 9 SDs, 0 SdLazy, 13 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=1, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-27-07-433.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-27-07-433.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-27-07-433.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-27-07-433.csv Received shutdown request...