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/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:19:46,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:19:46,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:19:46,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:19:46,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:19:46,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:19:46,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:19:46,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:19:46,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:19:46,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:19:46,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:19:46,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:19:46,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:19:46,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:19:46,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:19:46,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:19:46,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:19:46,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:19:46,920 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:19:46,921 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:19:46,922 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:19:46,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:19:46,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:19:46,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:19:46,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:19:46,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:19:46,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:19:46,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:19:46,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:19:46,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:19:46,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:19:46,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 17:19:46,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 17:19:46,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 17:19:46,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 17:19:46,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 17:19:46,934 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:19:46,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:19:46,963 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:19:46,963 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:19:46,963 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:19:46,964 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:19:46,964 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:19:46,965 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:19:46,965 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:19:46,965 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:19:46,965 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:19:46,965 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:19:46,966 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:19:46,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:19:46,970 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:19:46,970 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:19:46,970 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:19:46,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:19:46,970 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:19:46,971 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:19:46,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:19:46,971 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:19:46,972 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:19:46,973 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:19:47,019 INFO ]: Repository-Root is: /tmp [2018-06-26 17:19:47,036 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:19:47,042 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:19:47,043 INFO ]: Initializing SmtParser... [2018-06-26 17:19:47,043 INFO ]: SmtParser initialized [2018-06-26 17:19:47,044 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.1.smt2 [2018-06-26 17:19:47,045 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 [2018-06-26 17:19:47,138 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.1.smt2 unknown [2018-06-26 17:19:47,574 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.1.smt2 [2018-06-26 17:19:47,578 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:19:47,584 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:19:47,585 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:19:47,585 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:19:47,585 INFO ]: ChcToBoogie initialized [2018-06-26 17:19:47,588 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,720 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47 Unit [2018-06-26 17:19:47,720 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:19:47,720 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:19:47,720 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:19:47,720 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:19:47,740 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,740 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,759 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,760 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,773 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,778 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,781 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (1/1) ... [2018-06-26 17:19:47,785 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:19:47,785 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:19:47,785 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:19:47,785 INFO ]: RCFGBuilder initialized [2018-06-26 17:19:47,786 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (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) [2018-06-26 17:19:47,812 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:19:47,812 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:19:47,812 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:19:47,812 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:19:47,812 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:19:47,812 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 [2018-06-26 17:19:49,144 INFO ]: Using library mode [2018-06-26 17:19:49,144 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49 BoogieIcfgContainer [2018-06-26 17:19:49,144 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:19:49,145 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:19:49,145 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:19:49,147 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:19:49,147 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49" (1/1) ... [2018-06-26 17:19:49,196 INFO ]: Initial Icfg 145 locations, 284 edges [2018-06-26 17:19:49,197 INFO ]: Using Remove infeasible edges [2018-06-26 17:19:49,198 INFO ]: Using Maximize final states [2018-06-26 17:19:49,198 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:19:49,198 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:19:49,200 INFO ]: Using Remove sink states [2018-06-26 17:19:49,201 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:19:49,201 INFO ]: Using Use SBE [2018-06-26 17:19:49,219 INFO ]: SBE split 0 edges [2018-06-26 17:19:49,225 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-26 17:19:49,228 INFO ]: 0 new accepting states [2018-06-26 17:19:49,931 INFO ]: Removed 54 edges and 8 locations by large block encoding [2018-06-26 17:19:49,934 INFO ]: Removed 5 edges and 2 locations by removing sink states [2018-06-26 17:19:49,938 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:19:49,939 INFO ]: 0 new accepting states [2018-06-26 17:19:49,945 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:19:49,946 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:19:49,951 INFO ]: Encoded RCFG 133 locations, 267 edges [2018-06-26 17:19:49,951 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:19:49 BasicIcfg [2018-06-26 17:19:49,951 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:19:49,952 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:19:49,952 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:19:49,958 INFO ]: TraceAbstraction initialized [2018-06-26 17:19:49,958 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:19:47" (1/4) ... [2018-06-26 17:19:49,959 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a32eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,959 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:19:47" (2/4) ... [2018-06-26 17:19:49,959 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a32eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,959 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:19:49" (3/4) ... [2018-06-26 17:19:49,960 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a32eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:19:49, skipping insertion in model container [2018-06-26 17:19:49,960 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:19:49" (4/4) ... [2018-06-26 17:19:49,962 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:19:49,974 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:19:50,038 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 17:19:50,087 INFO ]: Using default assertion order modulation [2018-06-26 17:19:50,087 INFO ]: Interprodecural is true [2018-06-26 17:19:50,087 INFO ]: Hoare is false [2018-06-26 17:19:50,087 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:19:50,087 INFO ]: Backedges is TWOTRACK [2018-06-26 17:19:50,087 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:19:50,087 INFO ]: Difference is false [2018-06-26 17:19:50,087 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:19:50,088 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:19:50,109 INFO ]: Start isEmpty. Operand 133 states. [2018-06-26 17:19:50,153 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:19:50,153 INFO ]: Found error trace [2018-06-26 17:19:50,154 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:19:50,154 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:50,159 INFO ]: Analyzing trace with hash 178719668, now seen corresponding path program 1 times [2018-06-26 17:19:50,160 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:50,160 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:50,192 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:50,192 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:50,192 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:50,250 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:50,364 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:19:50,367 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:50,367 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:19:50,369 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:19:50,381 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:19:50,382 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:19:50,384 INFO ]: Start difference. First operand 133 states. Second operand 3 states. [2018-06-26 17:19:52,635 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:19:52,635 INFO ]: Finished difference Result 263 states and 530 transitions. [2018-06-26 17:19:52,636 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:19:52,637 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:19:52,638 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:19:52,693 INFO ]: With dead ends: 263 [2018-06-26 17:19:52,694 INFO ]: Without dead ends: 263 [2018-06-26 17:19:52,698 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 [2018-06-26 17:19:52,716 INFO ]: Start minimizeSevpa. Operand 263 states. [2018-06-26 17:19:52,827 INFO ]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-06-26 17:19:52,828 INFO ]: Start removeUnreachable. Operand 263 states. [2018-06-26 17:19:52,845 INFO ]: Finished removeUnreachable. Reduced from 263 states to 263 states and 530 transitions. [2018-06-26 17:19:52,846 INFO ]: Start accepts. Automaton has 263 states and 530 transitions. Word has length 5 [2018-06-26 17:19:52,847 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:19:52,847 INFO ]: Abstraction has 263 states and 530 transitions. [2018-06-26 17:19:52,847 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:19:52,847 INFO ]: Start isEmpty. Operand 263 states and 530 transitions. [2018-06-26 17:19:52,856 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 17:19:52,856 INFO ]: Found error trace [2018-06-26 17:19:52,857 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 17:19:52,857 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:52,857 INFO ]: Analyzing trace with hash 178778289, now seen corresponding path program 1 times [2018-06-26 17:19:52,857 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:52,857 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:52,858 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:52,858 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:52,858 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:52,868 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:52,940 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:19:52,940 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:52,940 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-26 17:19:52,942 INFO ]: Interpolant automaton has 3 states [2018-06-26 17:19:52,942 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-26 17:19:52,942 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-26 17:19:52,942 INFO ]: Start difference. First operand 263 states and 530 transitions. Second operand 3 states. [2018-06-26 17:19:54,059 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:19:54,059 INFO ]: Finished difference Result 393 states and 794 transitions. [2018-06-26 17:19:54,060 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-26 17:19:54,060 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-26 17:19:54,060 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:19:54,084 INFO ]: With dead ends: 393 [2018-06-26 17:19:54,084 INFO ]: Without dead ends: 393 [2018-06-26 17:19:54,085 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 [2018-06-26 17:19:54,085 INFO ]: Start minimizeSevpa. Operand 393 states. [2018-06-26 17:19:54,156 INFO ]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-06-26 17:19:54,156 INFO ]: Start removeUnreachable. Operand 393 states. [2018-06-26 17:19:54,171 INFO ]: Finished removeUnreachable. Reduced from 393 states to 393 states and 794 transitions. [2018-06-26 17:19:54,171 INFO ]: Start accepts. Automaton has 393 states and 794 transitions. Word has length 5 [2018-06-26 17:19:54,171 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:19:54,171 INFO ]: Abstraction has 393 states and 794 transitions. [2018-06-26 17:19:54,171 INFO ]: Interpolant automaton has 3 states. [2018-06-26 17:19:54,171 INFO ]: Start isEmpty. Operand 393 states and 794 transitions. [2018-06-26 17:19:54,200 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:19:54,200 INFO ]: Found error trace [2018-06-26 17:19:54,200 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:19:54,200 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:19:54,200 INFO ]: Analyzing trace with hash -1093985251, now seen corresponding path program 1 times [2018-06-26 17:19:54,200 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:19:54,200 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:19:54,201 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:54,201 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:19:54,201 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:19:54,224 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:19:54,667 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:19:54,667 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:19:54,667 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-26 17:19:54,667 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:19:54,667 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:19:54,668 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:19:54,668 INFO ]: Start difference. First operand 393 states and 794 transitions. Second operand 6 states. [2018-06-26 17:20:01,977 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:20:01,977 INFO ]: Finished difference Result 1345 states and 5258 transitions. [2018-06-26 17:20:01,977 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-26 17:20:01,977 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-26 17:20:01,977 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:20:02,309 INFO ]: With dead ends: 1345 [2018-06-26 17:20:02,309 INFO ]: Without dead ends: 1345 [2018-06-26 17:20:02,309 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-06-26 17:20:02,310 INFO ]: Start minimizeSevpa. Operand 1345 states. [2018-06-26 17:20:02,760 INFO ]: Finished minimizeSevpa. Reduced states from 1345 to 786. [2018-06-26 17:20:02,760 INFO ]: Start removeUnreachable. Operand 786 states. [2018-06-26 17:20:02,792 INFO ]: Finished removeUnreachable. Reduced from 786 states to 786 states and 2123 transitions. [2018-06-26 17:20:02,792 INFO ]: Start accepts. Automaton has 786 states and 2123 transitions. Word has length 10 [2018-06-26 17:20:02,793 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:20:02,794 INFO ]: Abstraction has 786 states and 2123 transitions. [2018-06-26 17:20:02,794 INFO ]: Interpolant automaton has 6 states. [2018-06-26 17:20:02,794 INFO ]: Start isEmpty. Operand 786 states and 2123 transitions. [2018-06-26 17:20:02,830 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-26 17:20:02,830 INFO ]: Found error trace [2018-06-26 17:20:02,830 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:20:02,830 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:20:02,830 INFO ]: Analyzing trace with hash -1065356100, now seen corresponding path program 1 times [2018-06-26 17:20:02,830 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:20:02,830 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:20:02,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:02,831 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:20:02,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:02,853 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:20:03,245 INFO ]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-26 17:20:03,245 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:20:03,245 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-26 17:20:03,245 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:20:03,246 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:20:03,246 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:20:03,246 INFO ]: Start difference. First operand 786 states and 2123 transitions. Second operand 6 states. [2018-06-26 17:20:09,127 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:20:09,127 INFO ]: Finished difference Result 2110 states and 9594 transitions. [2018-06-26 17:20:09,127 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-26 17:20:09,127 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-26 17:20:09,127 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:20:09,327 INFO ]: With dead ends: 2110 [2018-06-26 17:20:09,327 INFO ]: Without dead ends: 1804 [2018-06-26 17:20:09,328 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-06-26 17:20:09,329 INFO ]: Start minimizeSevpa. Operand 1804 states. [2018-06-26 17:20:10,154 INFO ]: Finished minimizeSevpa. Reduced states from 1804 to 1081. [2018-06-26 17:20:10,154 INFO ]: Start removeUnreachable. Operand 1081 states. [2018-06-26 17:20:10,184 INFO ]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 3506 transitions. [2018-06-26 17:20:10,184 INFO ]: Start accepts. Automaton has 1081 states and 3506 transitions. Word has length 10 [2018-06-26 17:20:10,184 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:20:10,184 INFO ]: Abstraction has 1081 states and 3506 transitions. [2018-06-26 17:20:10,184 INFO ]: Interpolant automaton has 6 states. [2018-06-26 17:20:10,184 INFO ]: Start isEmpty. Operand 1081 states and 3506 transitions. [2018-06-26 17:20:10,341 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-26 17:20:10,341 INFO ]: Found error trace [2018-06-26 17:20:10,341 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:20:10,341 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:20:10,342 INFO ]: Analyzing trace with hash 1132203855, now seen corresponding path program 1 times [2018-06-26 17:20:10,342 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:20:10,342 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:20:10,343 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:10,343 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:20:10,343 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:20:10,393 INFO ]: Conjunction of SSA is sat [2018-06-26 17:20:10,397 INFO ]: Counterexample might be feasible [2018-06-26 17:20:10,416 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 17:20:10,418 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:20:10 BasicIcfg [2018-06-26 17:20:10,418 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:20:10,419 INFO ]: Toolchain (without parser) took 22839.94 ms. Allocated memory was 307.2 MB in the beginning and 712.5 MB in the end (delta: 405.3 MB). Free memory was 252.7 MB in the beginning and 586.0 MB in the end (delta: -333.2 MB). Peak memory consumption was 72.1 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,420 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 307.2 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:20:10,421 INFO ]: ChcToBoogie took 135.01 ms. Allocated memory is still 307.2 MB. Free memory was 251.7 MB in the beginning and 247.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,422 INFO ]: Boogie Preprocessor took 64.53 ms. Allocated memory is still 307.2 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,422 INFO ]: RCFGBuilder took 1358.93 ms. Allocated memory was 307.2 MB in the beginning and 326.6 MB in the end (delta: 19.4 MB). Free memory was 245.8 MB in the beginning and 292.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,423 INFO ]: BlockEncodingV2 took 806.52 ms. Allocated memory is still 326.6 MB. Free memory was 292.7 MB in the beginning and 261.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,423 INFO ]: TraceAbstraction took 20465.67 ms. Allocated memory was 326.6 MB in the beginning and 712.5 MB in the end (delta: 385.9 MB). Free memory was 261.2 MB in the beginning and 586.0 MB in the end (delta: -324.8 MB). Peak memory consumption was 61.1 MB. Max. memory is 3.6 GB. [2018-06-26 17:20:10,429 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 145 locations, 284 edges - StatisticsResult: Encoded RCFG 133 locations, 267 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 307.2 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 135.01 ms. Allocated memory is still 307.2 MB. Free memory was 251.7 MB in the beginning and 247.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 64.53 ms. Allocated memory is still 307.2 MB. Free memory was 247.8 MB in the beginning and 245.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1358.93 ms. Allocated memory was 307.2 MB in the beginning and 326.6 MB in the end (delta: 19.4 MB). Free memory was 245.8 MB in the beginning and 292.7 MB in the end (delta: -46.9 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 806.52 ms. Allocated memory is still 326.6 MB. Free memory was 292.7 MB in the beginning and 261.2 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 20465.67 ms. Allocated memory was 326.6 MB in the beginning and 712.5 MB in the end (delta: 385.9 MB). Free memory was 261.2 MB in the beginning and 586.0 MB in the end (delta: -324.8 MB). Peak memory consumption was 61.1 MB. 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); [L0] assume true; [L0] CALL call gotoProc(5, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int); [L0] COND TRUE gotoSwitch == 5 [L0] hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int := gpav_0_Int, gpav_1_Int, gpav_2_Int, gpav_3_Int, gpav_4_Int, gpav_5_Int, gpav_6_Int, gpav_7_Int, gpav_8_Int, gpav_9_Int, gpav_10_Int, gpav_11_Int; [L0] assume true; [L0] hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_5_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_8_Int, hhv_step_lturn_9_Int, hhv_step_lturn_10_Int, hhv_step_lturn_11_Int := hhv_lturn_0_Int, hhv_lturn_1_Int, hhv_lturn_2_Int, hhv_lturn_3_Int, hhv_lturn_4_Int, hhv_lturn_5_Int, hhv_lturn_6_Int, hhv_lturn_7_Int, hhv_lturn_9_Int, hhv_lturn_10_Int, hhv_lturn_8_Int, hhv_lturn_11_Int; [L0] RET call gotoProc(5, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int); [L0] hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_5_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_8_Int, hhv_step_lturn_9_Int, hhv_step_lturn_10_Int, hhv_step_lturn_11_Int := hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_11_Int, hbv_False_10_Int, hbv_False_12_Int; [L0] havoc hbv_False_6_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_12_Int, hbv_False_11_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_5_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_7_Int, hbv_False_1_Int; [L0] RET call gotoProc(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, 133 locations, 1 error locations. UNSAFE Result, 20.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 17.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2642 SDtfs, 468 SDslu, 3963 SDs, 0 SdLazy, 7523 SolverSat, 1941 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1081occurred in iteration=4, 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: 1.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 1282 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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/ch-triangle-location-nr.1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-20-10-447.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-20-10-447.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-20-10-447.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-20-10-447.csv Received shutdown request...