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/fpice/inductive3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:38:14,803 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:38:14,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:38:14,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:38:14,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:38:14,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:38:14,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:38:14,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:38:14,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:38:14,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:38:14,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:38:14,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:38:14,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:38:14,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:38:14,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:38:14,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:38:14,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:38:14,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:38:14,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:38:14,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:38:14,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:38:14,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:38:14,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:38:14,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:38:14,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:38:14,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:38:14,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:38:14,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:38:14,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:38:14,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:38:14,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:38:14,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:38:14,862 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:38:14,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:38:14,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:38:14,864 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:38:14,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:38:14,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:38:14,884 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:38:14,884 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:38:14,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:38:14,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:38:14,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:38:14,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:38:14,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:38:14,889 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:38:14,889 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:38:14,889 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:38:14,889 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:38:14,889 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:38:14,889 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:38:14,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:38:14,890 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:38:14,892 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:38:14,892 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:38:14,943 INFO ]: Repository-Root is: /tmp [2018-06-22 01:38:14,956 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:38:14,961 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:38:14,963 INFO ]: Initializing SmtParser... [2018-06-22 01:38:14,963 INFO ]: SmtParser initialized [2018-06-22 01:38:14,963 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/fpice/inductive3.smt2 [2018-06-22 01:38:14,965 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 01:38:15,058 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/fpice/inductive3.smt2 unknown [2018-06-22 01:38:15,206 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/fpice/inductive3.smt2 [2018-06-22 01:38:15,211 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:38:15,217 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:38:15,217 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:38:15,217 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:38:15,217 INFO ]: ChcToBoogie initialized [2018-06-22 01:38:15,220 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,274 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15 Unit [2018-06-22 01:38:15,274 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:38:15,275 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:38:15,275 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:38:15,275 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:38:15,294 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,294 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,303 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,303 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,305 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,307 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,307 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (1/1) ... [2018-06-22 01:38:15,308 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:38:15,309 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:38:15,309 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:38:15,309 INFO ]: RCFGBuilder initialized [2018-06-22 01:38:15,310 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (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 [2018-06-22 01:38:15,327 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:38:15,327 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:38:15,327 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:38:15,327 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:38:15,327 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:38:15,327 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 01:38:15,477 INFO ]: Using library mode [2018-06-22 01:38:15,478 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:38:15 BoogieIcfgContainer [2018-06-22 01:38:15,478 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:38:15,486 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:38:15,486 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:38:15,489 INFO ]: TraceAbstraction initialized [2018-06-22 01:38:15,490 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:38:15" (1/3) ... [2018-06-22 01:38:15,490 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e34ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:38:15, skipping insertion in model container [2018-06-22 01:38:15,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:38:15" (2/3) ... [2018-06-22 01:38:15,491 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e34ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:38:15, skipping insertion in model container [2018-06-22 01:38:15,491 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:38:15" (3/3) ... [2018-06-22 01:38:15,493 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:38:15,502 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:38:15,511 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:38:15,562 INFO ]: Using default assertion order modulation [2018-06-22 01:38:15,563 INFO ]: Interprodecural is true [2018-06-22 01:38:15,563 INFO ]: Hoare is false [2018-06-22 01:38:15,563 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:38:15,563 INFO ]: Backedges is TWOTRACK [2018-06-22 01:38:15,563 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:38:15,563 INFO ]: Difference is false [2018-06-22 01:38:15,563 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:38:15,563 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:38:15,579 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 01:38:15,591 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 01:38:15,591 INFO ]: Found error trace [2018-06-22 01:38:15,592 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 01:38:15,592 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:38:15,597 INFO ]: Analyzing trace with hash 1546111380, now seen corresponding path program 1 times [2018-06-22 01:38:15,600 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:38:15,600 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:38:15,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:38:15,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:38:15,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:38:15,659 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:38:15,683 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:38:15,685 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:38:15,685 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 01:38:15,687 INFO ]: Interpolant automaton has 2 states [2018-06-22 01:38:15,702 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 01:38:15,703 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:38:15,705 INFO ]: Start difference. First operand 10 states. Second operand 2 states. [2018-06-22 01:38:15,721 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:38:15,722 INFO ]: Finished difference Result 8 states and 9 transitions. [2018-06-22 01:38:15,722 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 01:38:15,723 INFO ]: Start accepts. Automaton has 2 states. Word has length 6 [2018-06-22 01:38:15,723 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:38:15,735 INFO ]: With dead ends: 8 [2018-06-22 01:38:15,735 INFO ]: Without dead ends: 8 [2018-06-22 01:38:15,737 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 01:38:15,755 INFO ]: Start minimizeSevpa. Operand 8 states. [2018-06-22 01:38:15,769 INFO ]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-06-22 01:38:15,770 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-22 01:38:15,770 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2018-06-22 01:38:15,771 INFO ]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2018-06-22 01:38:15,772 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:38:15,772 INFO ]: Abstraction has 8 states and 9 transitions. [2018-06-22 01:38:15,772 INFO ]: Interpolant automaton has 2 states. [2018-06-22 01:38:15,772 INFO ]: Start isEmpty. Operand 8 states and 9 transitions. [2018-06-22 01:38:15,772 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 01:38:15,772 INFO ]: Found error trace [2018-06-22 01:38:15,772 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:38:15,772 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:38:15,772 INFO ]: Analyzing trace with hash 688322240, now seen corresponding path program 1 times [2018-06-22 01:38:15,772 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:38:15,772 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:38:15,773 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:38:15,773 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:38:15,773 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:38:15,796 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:38:15,907 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:38:15,907 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:38:15,907 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 01:38:15,908 INFO ]: Interpolant automaton has 3 states [2018-06-22 01:38:15,908 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 01:38:15,908 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 01:38:15,909 INFO ]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2018-06-22 01:38:15,948 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:38:15,948 INFO ]: Finished difference Result 4 states and 3 transitions. [2018-06-22 01:38:15,948 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 01:38:15,949 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 01:38:15,949 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:38:15,949 INFO ]: With dead ends: 4 [2018-06-22 01:38:15,949 INFO ]: Without dead ends: 0 [2018-06-22 01:38:15,950 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 [2018-06-22 01:38:15,950 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 01:38:15,950 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 01:38:15,950 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 01:38:15,950 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 01:38:15,950 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-06-22 01:38:15,950 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:38:15,950 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 01:38:15,950 INFO ]: Interpolant automaton has 3 states. [2018-06-22 01:38:15,950 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 01:38:15,950 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:38:15,957 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:38:15 BoogieIcfgContainer [2018-06-22 01:38:15,957 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:38:15,960 INFO ]: Toolchain (without parser) took 746.04 ms. Allocated memory is still 309.3 MB. Free memory was 265.9 MB in the beginning and 239.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:38:15,961 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:38:15,962 INFO ]: ChcToBoogie took 57.06 ms. Allocated memory is still 309.3 MB. Free memory was 265.9 MB in the beginning and 263.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:38:15,962 INFO ]: Boogie Preprocessor took 34.00 ms. Allocated memory is still 309.3 MB. Free memory was 263.9 MB in the beginning and 261.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:38:15,963 INFO ]: RCFGBuilder took 168.92 ms. Allocated memory is still 309.3 MB. Free memory was 261.9 MB in the beginning and 255.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:38:15,964 INFO ]: TraceAbstraction took 470.76 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 239.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:38:15,968 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 309.3 MB. Free memory is still 274.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 57.06 ms. Allocated memory is still 309.3 MB. Free memory was 265.9 MB in the beginning and 263.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 34.00 ms. Allocated memory is still 309.3 MB. Free memory was 263.9 MB in the beginning and 261.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 168.92 ms. Allocated memory is still 309.3 MB. Free memory was 261.9 MB in the beginning and 255.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 470.76 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 239.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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, 10 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 0 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 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/inductive3.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-38-15-988.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/inductive3.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-38-15-988.csv Received shutdown request...