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_Goto.epf -i /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:54:40,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:54:40,097 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:54:40,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:54:40,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:54:40,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:54:40,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:54:40,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:54:40,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:54:40,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:54:40,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:54:40,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:54:40,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:54:40,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:54:40,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:54:40,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:54:40,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:54:40,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:54:40,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:54:40,145 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:54:40,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:54:40,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:54:40,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:54:40,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:54:40,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:54:40,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:54:40,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:54:40,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:54:40,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:54:40,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:54:40,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:54:40,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:54:40,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:54:40,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:54:40,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:54:40,159 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:54:40,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:54:40,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:54:40,173 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:54:40,174 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:54:40,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:54:40,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:54:40,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:54:40,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:54:40,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:54:40,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:54:40,176 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:54:40,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:54:40,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:54:40,176 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:54:40,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:54:40,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:54:40,177 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:54:40,179 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:54:40,179 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:54:40,216 INFO ]: Repository-Root is: /tmp [2018-06-22 01:54:40,231 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:54:40,235 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:54:40,236 INFO ]: Initializing SmtParser... [2018-06-22 01:54:40,237 INFO ]: SmtParser initialized [2018-06-22 01:54:40,237 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 [2018-06-22 01:54:40,238 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 01:54:40,338 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 unknown [2018-06-22 01:54:40,844 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-0CFA01.smt2 [2018-06-22 01:54:40,861 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:54:40,867 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:54:40,868 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:54:40,868 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:54:40,868 INFO ]: ChcToBoogie initialized [2018-06-22 01:54:40,872 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,953 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40 Unit [2018-06-22 01:54:40,953 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:54:40,954 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:54:40,954 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:54:40,954 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:54:40,975 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,975 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,982 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,982 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,987 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,995 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:40,996 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (1/1) ... [2018-06-22 01:54:41,006 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:54:41,007 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:54:41,007 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:54:41,007 INFO ]: RCFGBuilder initialized [2018-06-22 01:54:41,008 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (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 01:54:41,027 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:54:41,027 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:54:41,027 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:54:41,027 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:54:41,027 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:54:41,027 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 01:54:41,432 INFO ]: Using library mode [2018-06-22 01:54:41,433 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:54:41 BoogieIcfgContainer [2018-06-22 01:54:41,433 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:54:41,434 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:54:41,434 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:54:41,437 INFO ]: TraceAbstraction initialized [2018-06-22 01:54:41,438 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:54:40" (1/3) ... [2018-06-22 01:54:41,438 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3425b868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:54:41, skipping insertion in model container [2018-06-22 01:54:41,439 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:40" (2/3) ... [2018-06-22 01:54:41,440 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3425b868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:54:41, skipping insertion in model container [2018-06-22 01:54:41,440 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:54:41" (3/3) ... [2018-06-22 01:54:41,442 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:54:41,452 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:54:41,462 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:54:41,500 INFO ]: Using default assertion order modulation [2018-06-22 01:54:41,501 INFO ]: Interprodecural is true [2018-06-22 01:54:41,501 INFO ]: Hoare is false [2018-06-22 01:54:41,501 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:54:41,501 INFO ]: Backedges is TWOTRACK [2018-06-22 01:54:41,501 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:54:41,501 INFO ]: Difference is false [2018-06-22 01:54:41,501 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:54:41,501 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:54:41,516 INFO ]: Start isEmpty. Operand 14 states. [2018-06-22 01:54:41,532 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 01:54:41,532 INFO ]: Found error trace [2018-06-22 01:54:41,533 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 01:54:41,534 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:54:41,540 INFO ]: Analyzing trace with hash 1060740696, now seen corresponding path program 1 times [2018-06-22 01:54:41,542 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:54:41,542 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:54:41,582 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:41,582 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:54:41,582 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:41,616 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:54:41,647 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:54:41,648 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:54:41,648 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 01:54:41,650 INFO ]: Interpolant automaton has 2 states [2018-06-22 01:54:41,661 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 01:54:41,661 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:54:41,664 INFO ]: Start difference. First operand 14 states. Second operand 2 states. [2018-06-22 01:54:41,684 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:54:41,684 INFO ]: Finished difference Result 12 states and 11 transitions. [2018-06-22 01:54:41,684 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 01:54:41,685 INFO ]: Start accepts. Automaton has 2 states. Word has length 6 [2018-06-22 01:54:41,686 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:54:41,694 INFO ]: With dead ends: 12 [2018-06-22 01:54:41,694 INFO ]: Without dead ends: 11 [2018-06-22 01:54:41,696 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 01:54:41,710 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 01:54:41,723 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 01:54:41,725 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 01:54:41,725 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2018-06-22 01:54:41,727 INFO ]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 6 [2018-06-22 01:54:41,727 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:54:41,727 INFO ]: Abstraction has 11 states and 10 transitions. [2018-06-22 01:54:41,727 INFO ]: Interpolant automaton has 2 states. [2018-06-22 01:54:41,727 INFO ]: Start isEmpty. Operand 11 states and 10 transitions. [2018-06-22 01:54:41,727 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 01:54:41,727 INFO ]: Found error trace [2018-06-22 01:54:41,727 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:54:41,727 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:54:41,728 INFO ]: Analyzing trace with hash -1963351924, now seen corresponding path program 1 times [2018-06-22 01:54:41,728 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:54:41,728 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:54:41,728 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:41,729 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:54:41,729 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:41,756 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:54:41,921 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:54:41,921 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:54:41,921 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 01:54:41,922 INFO ]: Interpolant automaton has 5 states [2018-06-22 01:54:41,923 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 01:54:41,923 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 01:54:41,923 INFO ]: Start difference. First operand 11 states and 10 transitions. Second operand 5 states. [2018-06-22 01:54:42,195 WARN ]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-06-22 01:54:42,195 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:54:42,195 INFO ]: Finished difference Result 7 states and 6 transitions. [2018-06-22 01:54:42,195 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 01:54:42,195 INFO ]: Start accepts. Automaton has 5 states. Word has length 10 [2018-06-22 01:54:42,196 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:54:42,196 INFO ]: With dead ends: 7 [2018-06-22 01:54:42,196 INFO ]: Without dead ends: 0 [2018-06-22 01:54:42,196 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-06-22 01:54:42,197 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 01:54:42,197 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 01:54:42,197 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 01:54:42,197 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 01:54:42,197 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-06-22 01:54:42,197 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:54:42,197 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 01:54:42,197 INFO ]: Interpolant automaton has 5 states. [2018-06-22 01:54:42,197 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 01:54:42,197 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:54:42,205 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:54:42 BoogieIcfgContainer [2018-06-22 01:54:42,205 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:54:42,206 INFO ]: Toolchain (without parser) took 1344.99 ms. Allocated memory is still 304.1 MB. Free memory was 245.5 MB in the beginning and 204.4 MB in the end (delta: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 3.6 GB. [2018-06-22 01:54:42,207 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:54:42,207 INFO ]: ChcToBoogie took 85.21 ms. Allocated memory is still 304.1 MB. Free memory was 245.5 MB in the beginning and 242.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:54:42,208 INFO ]: Boogie Preprocessor took 52.73 ms. Allocated memory is still 304.1 MB. Free memory was 242.5 MB in the beginning and 241.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 01:54:42,208 INFO ]: RCFGBuilder took 426.15 ms. Allocated memory is still 304.1 MB. Free memory was 241.5 MB in the beginning and 225.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:54:42,209 INFO ]: TraceAbstraction took 771.32 ms. Allocated memory is still 304.1 MB. Free memory was 225.5 MB in the beginning and 204.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. [2018-06-22 01:54:42,211 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 85.21 ms. Allocated memory is still 304.1 MB. Free memory was 245.5 MB in the beginning and 242.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.73 ms. Allocated memory is still 304.1 MB. Free memory was 242.5 MB in the beginning and 241.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 426.15 ms. Allocated memory is still 304.1 MB. Free memory was 241.5 MB in the beginning and 225.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 771.32 ms. Allocated memory is still 304.1 MB. Free memory was 225.5 MB in the beginning and 204.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 3 SDslu, 11 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-54-42-221.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-0CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-54-42-221.csv Received shutdown request...