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/vmt-chc-benchmarks/lustre/switch.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-27 03:11:40,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-27 03:11:40,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-27 03:11:40,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-27 03:11:40,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-27 03:11:40,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-27 03:11:40,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-27 03:11:40,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-27 03:11:40,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-27 03:11:40,693 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-27 03:11:40,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-27 03:11:40,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-27 03:11:40,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-27 03:11:40,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-27 03:11:40,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-27 03:11:40,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-27 03:11:40,698 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-27 03:11:40,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-27 03:11:40,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-27 03:11:40,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-27 03:11:40,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-27 03:11:40,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-27 03:11:40,718 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-27 03:11:40,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-27 03:11:40,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-27 03:11:40,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-27 03:11:40,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-27 03:11:40,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-27 03:11:40,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-27 03:11:40,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-27 03:11:40,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-27 03:11:40,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-27 03:11:40,732 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-27 03:11:40,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-27 03:11:40,733 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-27 03:11:40,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-27 03:11:40,734 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-27 03:11:40,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-27 03:11:40,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-27 03:11:40,764 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-27 03:11:40,765 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-27 03:11:40,768 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-27 03:11:40,768 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-27 03:11:40,768 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-27 03:11:40,768 INFO L133 SettingsManager]: * Use SBE=true [2018-06-27 03:11:40,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-27 03:11:40,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-27 03:11:40,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-27 03:11:40,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-27 03:11:40,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-27 03:11:40,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-27 03:11:40,770 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-27 03:11:40,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-27 03:11:40,770 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-27 03:11:40,770 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-27 03:11:40,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-27 03:11:40,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-27 03:11:40,772 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-27 03:11:40,773 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-27 03:11:40,773 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-27 03:11:40,822 INFO ]: Repository-Root is: /tmp [2018-06-27 03:11:40,838 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-27 03:11:40,841 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-27 03:11:40,843 INFO ]: Initializing SmtParser... [2018-06-27 03:11:40,844 INFO ]: SmtParser initialized [2018-06-27 03:11:40,845 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-27 03:11:40,846 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 [2018-06-27 03:11:40,941 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 unknown [2018-06-27 03:11:41,194 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-27 03:11:41,200 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-27 03:11:41,206 INFO ]: Walking toolchain with 5 elements. [2018-06-27 03:11:41,207 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-27 03:11:41,207 INFO ]: Initializing ChcToBoogie... [2018-06-27 03:11:41,207 INFO ]: ChcToBoogie initialized [2018-06-27 03:11:41,210 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,271 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41 Unit [2018-06-27 03:11:41,271 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-27 03:11:41,272 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-27 03:11:41,272 INFO ]: Initializing Boogie Preprocessor... [2018-06-27 03:11:41,272 INFO ]: Boogie Preprocessor initialized [2018-06-27 03:11:41,292 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,292 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,297 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,297 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,300 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,301 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,302 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,310 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-27 03:11:41,311 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-27 03:11:41,311 INFO ]: Initializing RCFGBuilder... [2018-06-27 03:11:41,311 INFO ]: RCFGBuilder initialized [2018-06-27 03:11:41,313 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (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) [2018-06-27 03:11:41,325 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-27 03:11:41,325 INFO ]: Found specification of procedure gotoProc [2018-06-27 03:11:41,325 INFO ]: Found implementation of procedure gotoProc [2018-06-27 03:11:41,326 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-27 03:11:41,326 INFO ]: Found specification of procedure Ultimate.START [2018-06-27 03:11:41,326 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 [2018-06-27 03:11:41,606 INFO ]: Using library mode [2018-06-27 03:11:41,607 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 03:11:41 BoogieIcfgContainer [2018-06-27 03:11:41,607 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-27 03:11:41,607 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-27 03:11:41,607 INFO ]: Initializing BlockEncodingV2... [2018-06-27 03:11:41,608 INFO ]: BlockEncodingV2 initialized [2018-06-27 03:11:41,609 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 03:11:41" (1/1) ... [2018-06-27 03:11:41,625 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-27 03:11:41,626 INFO ]: Using Remove infeasible edges [2018-06-27 03:11:41,627 INFO ]: Using Maximize final states [2018-06-27 03:11:41,627 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-27 03:11:41,628 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-27 03:11:41,629 INFO ]: Using Remove sink states [2018-06-27 03:11:41,630 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-27 03:11:41,630 INFO ]: Using Use SBE [2018-06-27 03:11:41,643 WARN ]: expecting exponential blowup for input size 15 [2018-06-27 03:11:44,703 WARN ]: aborting because of expected exponential blowup for input size 41 [2018-06-27 03:11:44,705 WARN ]: expecting exponential blowup for input size 13 [2018-06-27 03:11:46,756 WARN ]: aborting because of expected exponential blowup for input size 41 [2018-06-27 03:11:46,760 INFO ]: SBE split 2 edges [2018-06-27 03:11:46,831 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-27 03:11:46,842 INFO ]: 0 new accepting states [2018-06-27 03:12:27,596 INFO ]: Removed 16413 edges and 2 locations by large block encoding [2018-06-27 03:12:27,602 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-27 03:12:27,673 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-27 03:12:27,682 INFO ]: 0 new accepting states [2018-06-27 03:12:27,692 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-27 03:12:27,694 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-27 03:12:27,788 INFO ]: Encoded RCFG 6 locations, 16415 edges [2018-06-27 03:12:27,789 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 27.06 03:12:27 BasicIcfg [2018-06-27 03:12:27,789 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-27 03:12:27,790 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-27 03:12:27,790 INFO ]: Initializing TraceAbstraction... [2018-06-27 03:12:27,793 INFO ]: TraceAbstraction initialized [2018-06-27 03:12:27,794 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 27.06 03:11:41" (1/4) ... [2018-06-27 03:12:27,795 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542047a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 27.06 03:12:27, skipping insertion in model container [2018-06-27 03:12:27,795 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 27.06 03:11:41" (2/4) ... [2018-06-27 03:12:27,796 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542047a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 03:12:27, skipping insertion in model container [2018-06-27 03:12:27,796 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 03:11:41" (3/4) ... [2018-06-27 03:12:27,796 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542047a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 03:12:27, skipping insertion in model container [2018-06-27 03:12:27,796 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 27.06 03:12:27" (4/4) ... [2018-06-27 03:12:27,797 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-27 03:12:27,809 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-27 03:12:27,817 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-27 03:12:27,872 INFO ]: Using default assertion order modulation [2018-06-27 03:12:27,873 INFO ]: Interprodecural is true [2018-06-27 03:12:27,873 INFO ]: Hoare is false [2018-06-27 03:12:27,873 INFO ]: Compute interpolants for FPandBP [2018-06-27 03:12:27,873 INFO ]: Backedges is TWOTRACK [2018-06-27 03:12:27,873 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-27 03:12:27,873 INFO ]: Difference is false [2018-06-27 03:12:27,873 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-27 03:12:27,873 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-27 03:12:27,921 INFO ]: Start isEmpty. Operand 6 states. [2018-06-27 03:12:27,970 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-27 03:12:27,970 INFO ]: Found error trace [2018-06-27 03:12:27,970 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-27 03:12:27,971 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-27 03:12:27,977 INFO ]: Analyzing trace with hash 1042811174, now seen corresponding path program 1 times [2018-06-27 03:12:27,979 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-27 03:12:27,979 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-27 03:12:28,027 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-27 03:12:28,027 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-27 03:12:28,027 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-27 03:12:28,069 INFO ]: Conjunction of SSA is unsat [2018-06-27 03:12:28,182 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-27 03:12:28,185 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-27 03:12:28,185 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-27 03:12:28,188 INFO ]: Interpolant automaton has 3 states [2018-06-27 03:12:28,205 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-27 03:12:28,205 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-27 03:12:28,209 INFO ]: Start difference. First operand 6 states. Second operand 3 states. Received shutdown request... [2018-06-27 03:12:42,851 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-27 03:12:42,852 WARN ]: Verification canceled [2018-06-27 03:12:42,857 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-27 03:12:42,859 WARN ]: Timeout [2018-06-27 03:12:42,859 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 03:12:42 BasicIcfg [2018-06-27 03:12:42,859 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-27 03:12:42,859 INFO ]: Toolchain (without parser) took 61658.97 ms. Allocated memory was 304.1 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 257.6 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 567.9 MB. Max. memory is 3.6 GB. [2018-06-27 03:12:42,863 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-27 03:12:42,863 INFO ]: ChcToBoogie took 64.64 ms. Allocated memory is still 304.1 MB. Free memory was 257.6 MB in the beginning and 255.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-27 03:12:42,864 INFO ]: Boogie Preprocessor took 37.95 ms. Allocated memory is still 304.1 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-27 03:12:42,864 INFO ]: RCFGBuilder took 296.23 ms. Allocated memory is still 304.1 MB. Free memory was 253.6 MB in the beginning and 242.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-27 03:12:42,865 INFO ]: BlockEncodingV2 took 46181.36 ms. Allocated memory was 304.1 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 242.6 MB in the beginning and 568.4 MB in the end (delta: -325.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 3.6 GB. [2018-06-27 03:12:42,866 INFO ]: TraceAbstraction took 15068.44 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -11.5 MB). Free memory was 568.4 MB in the beginning and 1.5 GB in the end (delta: -885.0 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-27 03:12:42,870 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 6 locations, 16415 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 304.1 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.64 ms. Allocated memory is still 304.1 MB. Free memory was 257.6 MB in the beginning and 255.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 37.95 ms. Allocated memory is still 304.1 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 296.23 ms. Allocated memory is still 304.1 MB. Free memory was 253.6 MB in the beginning and 242.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 46181.36 ms. Allocated memory was 304.1 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 242.6 MB in the beginning and 568.4 MB in the end (delta: -325.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 3.6 GB. * TraceAbstraction took 15068.44 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -11.5 MB). Free memory was 568.4 MB in the beginning and 1.5 GB in the end (delta: -885.0 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while BasicCegarLoop was constructing difference of abstraction (6states) and interpolant automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (2 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. TIMEOUT Result, 14.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16384 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 8192 SolverSat, 8191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s 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=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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 could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-27_03-12-42-882.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-27_03-12-42-882.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-27_03-12-42-882.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-27_03-12-42-882.csv Completed graceful shutdown