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_No_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location.43.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:43:28,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:43:28,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:43:28,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:43:28,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:43:28,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:43:28,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:43:28,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:43:28,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:43:28,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:43:28,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:43:28,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:43:28,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:43:28,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:43:28,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:43:28,169 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:43:28,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:43:28,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:43:28,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:43:28,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:43:28,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:43:28,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:43:28,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:43:28,193 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:43:28,194 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:43:28,195 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:43:28,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:43:28,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:43:28,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:43:28,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:43:28,203 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:43:28,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:43:28,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:43:28,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:43:28,206 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:43:28,206 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 10:43:28,227 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:43:28,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:43:28,227 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:43:28,228 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:43:28,229 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:43:28,229 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:43:28,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:43:28,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:43:28,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:43:28,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:43:28,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:43:28,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:43:28,231 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:43:28,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:43:28,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:43:28,231 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:43:28,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:43:28,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:43:28,232 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:43:28,233 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:43:28,233 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:43:28,281 INFO ]: Repository-Root is: /tmp [2018-06-22 10:43:28,296 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:43:28,301 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:43:28,302 INFO ]: Initializing SmtParser... [2018-06-22 10:43:28,303 INFO ]: SmtParser initialized [2018-06-22 10:43:28,304 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location.43.smt2 [2018-06-22 10:43:28,305 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 10:43:28,392 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location.43.smt2 unknown [2018-06-22 10:43:28,917 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location.43.smt2 [2018-06-22 10:43:28,931 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:43:28,936 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:43:28,937 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:43:28,937 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:43:28,937 INFO ]: ChcToBoogie initialized [2018-06-22 10:43:28,945 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:43:28" (1/1) ... [2018-06-22 10:43:29,027 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29 Unit [2018-06-22 10:43:29,027 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:43:29,028 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:43:29,028 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:43:29,028 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:43:29,049 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,049 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,068 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,068 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,085 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,089 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,093 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... [2018-06-22 10:43:29,098 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:43:29,098 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:43:29,098 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:43:29,098 INFO ]: RCFGBuilder initialized [2018-06-22 10:43:29,099 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 10:43:29,108 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure False [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure False [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure lturn [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure lturn [2018-06-22 10:43:29,109 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:43:29,109 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:43:29,109 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:43:30,865 INFO ]: Using library mode [2018-06-22 10:43:30,865 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:43:30 BoogieIcfgContainer [2018-06-22 10:43:30,865 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:43:30,866 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:43:30,866 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:43:30,872 INFO ]: TraceAbstraction initialized [2018-06-22 10:43:30,872 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:43:28" (1/3) ... [2018-06-22 10:43:30,873 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7682d49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:43:30, skipping insertion in model container [2018-06-22 10:43:30,873 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:43:29" (2/3) ... [2018-06-22 10:43:30,873 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7682d49e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:43:30, skipping insertion in model container [2018-06-22 10:43:30,873 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:43:30" (3/3) ... [2018-06-22 10:43:30,875 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:43:30,885 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:43:30,894 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:43:30,941 INFO ]: Using default assertion order modulation [2018-06-22 10:43:30,941 INFO ]: Interprodecural is true [2018-06-22 10:43:30,941 INFO ]: Hoare is false [2018-06-22 10:43:30,941 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:43:30,942 INFO ]: Backedges is TWOTRACK [2018-06-22 10:43:30,942 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:43:30,942 INFO ]: Difference is false [2018-06-22 10:43:30,942 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:43:30,942 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:43:30,963 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:43:31,003 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:31,003 INFO ]: Found error trace [2018-06-22 10:43:31,004 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:31,004 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:31,009 INFO ]: Analyzing trace with hash 267545431, now seen corresponding path program 1 times [2018-06-22 10:43:31,010 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:31,010 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:31,044 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:31,044 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:31,044 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:31,174 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:31,457 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:43:31,459 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:31,459 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 10:43:31,461 INFO ]: Interpolant automaton has 5 states [2018-06-22 10:43:31,475 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 10:43:31,476 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:43:31,478 INFO ]: Start difference. First operand 162 states. Second operand 5 states. [2018-06-22 10:43:34,042 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:34,042 INFO ]: Finished difference Result 232 states and 649 transitions. [2018-06-22 10:43:34,060 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 10:43:34,061 INFO ]: Start accepts. Automaton has 5 states. Word has length 17 [2018-06-22 10:43:34,061 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:34,091 INFO ]: With dead ends: 232 [2018-06-22 10:43:34,091 INFO ]: Without dead ends: 222 [2018-06-22 10:43:34,093 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:43:34,111 INFO ]: Start minimizeSevpa. Operand 222 states. [2018-06-22 10:43:34,283 INFO ]: Finished minimizeSevpa. Reduced states from 222 to 199. [2018-06-22 10:43:34,284 INFO ]: Start removeUnreachable. Operand 199 states. [2018-06-22 10:43:34,293 INFO ]: Finished removeUnreachable. Reduced from 199 states to 199 states and 570 transitions. [2018-06-22 10:43:34,294 INFO ]: Start accepts. Automaton has 199 states and 570 transitions. Word has length 17 [2018-06-22 10:43:34,295 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:34,295 INFO ]: Abstraction has 199 states and 570 transitions. [2018-06-22 10:43:34,295 INFO ]: Interpolant automaton has 5 states. [2018-06-22 10:43:34,295 INFO ]: Start isEmpty. Operand 199 states and 570 transitions. [2018-06-22 10:43:34,305 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:34,305 INFO ]: Found error trace [2018-06-22 10:43:34,305 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:34,305 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:34,305 INFO ]: Analyzing trace with hash 1762925697, now seen corresponding path program 1 times [2018-06-22 10:43:34,305 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:34,305 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:34,306 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:34,306 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:34,306 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:34,339 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:34,765 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:34,765 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:34,765 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:34,767 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:34,767 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:34,767 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:34,767 INFO ]: Start difference. First operand 199 states and 570 transitions. Second operand 6 states. [2018-06-22 10:43:36,574 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:36,574 INFO ]: Finished difference Result 258 states and 928 transitions. [2018-06-22 10:43:36,574 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:36,574 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:36,574 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:36,605 INFO ]: With dead ends: 258 [2018-06-22 10:43:36,605 INFO ]: Without dead ends: 258 [2018-06-22 10:43:36,606 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:36,606 INFO ]: Start minimizeSevpa. Operand 258 states. [2018-06-22 10:43:36,697 INFO ]: Finished minimizeSevpa. Reduced states from 258 to 255. [2018-06-22 10:43:36,697 INFO ]: Start removeUnreachable. Operand 255 states. [2018-06-22 10:43:36,704 INFO ]: Finished removeUnreachable. Reduced from 255 states to 255 states and 922 transitions. [2018-06-22 10:43:36,704 INFO ]: Start accepts. Automaton has 255 states and 922 transitions. Word has length 17 [2018-06-22 10:43:36,704 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:36,704 INFO ]: Abstraction has 255 states and 922 transitions. [2018-06-22 10:43:36,704 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:36,704 INFO ]: Start isEmpty. Operand 255 states and 922 transitions. [2018-06-22 10:43:36,709 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:36,709 INFO ]: Found error trace [2018-06-22 10:43:36,709 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:36,709 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:36,710 INFO ]: Analyzing trace with hash -347064714, now seen corresponding path program 1 times [2018-06-22 10:43:36,710 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:36,710 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:36,711 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:36,711 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:36,711 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:36,735 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:37,121 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:37,121 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:37,121 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:37,122 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:37,122 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:37,122 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:37,122 INFO ]: Start difference. First operand 255 states and 922 transitions. Second operand 6 states. [2018-06-22 10:43:38,503 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:38,503 INFO ]: Finished difference Result 303 states and 1254 transitions. [2018-06-22 10:43:38,504 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:38,504 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:38,504 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:38,514 INFO ]: With dead ends: 303 [2018-06-22 10:43:38,514 INFO ]: Without dead ends: 303 [2018-06-22 10:43:38,514 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:38,514 INFO ]: Start minimizeSevpa. Operand 303 states. [2018-06-22 10:43:38,658 INFO ]: Finished minimizeSevpa. Reduced states from 303 to 300. [2018-06-22 10:43:38,658 INFO ]: Start removeUnreachable. Operand 300 states. [2018-06-22 10:43:38,666 INFO ]: Finished removeUnreachable. Reduced from 300 states to 300 states and 1247 transitions. [2018-06-22 10:43:38,666 INFO ]: Start accepts. Automaton has 300 states and 1247 transitions. Word has length 17 [2018-06-22 10:43:38,666 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:38,666 INFO ]: Abstraction has 300 states and 1247 transitions. [2018-06-22 10:43:38,666 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:38,666 INFO ]: Start isEmpty. Operand 300 states and 1247 transitions. [2018-06-22 10:43:38,671 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:38,671 INFO ]: Found error trace [2018-06-22 10:43:38,671 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:38,671 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:38,672 INFO ]: Analyzing trace with hash 834633161, now seen corresponding path program 1 times [2018-06-22 10:43:38,672 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:38,672 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:38,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:38,673 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:38,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:38,696 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:39,099 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:39,099 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:39,099 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:39,099 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:39,099 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:39,099 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:39,099 INFO ]: Start difference. First operand 300 states and 1247 transitions. Second operand 6 states. [2018-06-22 10:43:41,114 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:41,114 INFO ]: Finished difference Result 463 states and 2755 transitions. [2018-06-22 10:43:41,115 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:41,115 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:41,115 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:41,138 INFO ]: With dead ends: 463 [2018-06-22 10:43:41,138 INFO ]: Without dead ends: 463 [2018-06-22 10:43:41,138 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:41,138 INFO ]: Start minimizeSevpa. Operand 463 states. [2018-06-22 10:43:41,465 INFO ]: Finished minimizeSevpa. Reduced states from 463 to 457. [2018-06-22 10:43:41,465 INFO ]: Start removeUnreachable. Operand 457 states. [2018-06-22 10:43:41,477 INFO ]: Finished removeUnreachable. Reduced from 457 states to 457 states and 2721 transitions. [2018-06-22 10:43:41,477 INFO ]: Start accepts. Automaton has 457 states and 2721 transitions. Word has length 17 [2018-06-22 10:43:41,477 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:41,477 INFO ]: Abstraction has 457 states and 2721 transitions. [2018-06-22 10:43:41,477 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:41,477 INFO ]: Start isEmpty. Operand 457 states and 2721 transitions. [2018-06-22 10:43:41,488 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:43:41,488 INFO ]: Found error trace [2018-06-22 10:43:41,488 INFO ]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:41,488 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:41,489 INFO ]: Analyzing trace with hash -670194827, now seen corresponding path program 1 times [2018-06-22 10:43:41,489 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:41,489 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:41,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:41,490 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:41,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:41,515 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:41,907 INFO ]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-06-22 10:43:41,907 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:43:41,907 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:43:41,921 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:41,979 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:41,989 INFO ]: Computing forward predicates... [2018-06-22 10:43:42,625 INFO ]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:43:42,655 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:43:42,655 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2018-06-22 10:43:42,656 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:43:42,656 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:43:42,656 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:43:42,656 INFO ]: Start difference. First operand 457 states and 2721 transitions. Second operand 11 states. [2018-06-22 10:43:47,568 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:47,568 INFO ]: Finished difference Result 516 states and 4000 transitions. [2018-06-22 10:43:47,568 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 10:43:47,568 INFO ]: Start accepts. Automaton has 11 states. Word has length 21 [2018-06-22 10:43:47,568 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:47,593 INFO ]: With dead ends: 516 [2018-06-22 10:43:47,593 INFO ]: Without dead ends: 516 [2018-06-22 10:43:47,594 INFO ]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:43:47,594 INFO ]: Start minimizeSevpa. Operand 516 states. [2018-06-22 10:43:48,237 INFO ]: Finished minimizeSevpa. Reduced states from 516 to 483. [2018-06-22 10:43:48,237 INFO ]: Start removeUnreachable. Operand 483 states. [2018-06-22 10:43:48,251 INFO ]: Finished removeUnreachable. Reduced from 483 states to 483 states and 3509 transitions. [2018-06-22 10:43:48,251 INFO ]: Start accepts. Automaton has 483 states and 3509 transitions. Word has length 21 [2018-06-22 10:43:48,251 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:48,251 INFO ]: Abstraction has 483 states and 3509 transitions. [2018-06-22 10:43:48,251 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:43:48,251 INFO ]: Start isEmpty. Operand 483 states and 3509 transitions. [2018-06-22 10:43:48,261 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:48,261 INFO ]: Found error trace [2018-06-22 10:43:48,261 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:48,262 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:48,262 INFO ]: Analyzing trace with hash -1206074721, now seen corresponding path program 1 times [2018-06-22 10:43:48,262 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:48,262 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:48,263 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:48,263 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:48,263 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:48,284 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:48,649 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:48,649 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:48,649 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:48,649 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:48,649 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:48,649 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:48,649 INFO ]: Start difference. First operand 483 states and 3509 transitions. Second operand 6 states. [2018-06-22 10:43:51,283 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:51,288 INFO ]: Finished difference Result 809 states and 6492 transitions. [2018-06-22 10:43:51,288 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:51,288 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:51,288 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:51,324 INFO ]: With dead ends: 809 [2018-06-22 10:43:51,324 INFO ]: Without dead ends: 809 [2018-06-22 10:43:51,324 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:51,325 INFO ]: Start minimizeSevpa. Operand 809 states. [2018-06-22 10:43:52,211 INFO ]: Finished minimizeSevpa. Reduced states from 809 to 776. [2018-06-22 10:43:52,212 INFO ]: Start removeUnreachable. Operand 776 states. [2018-06-22 10:43:52,237 INFO ]: Finished removeUnreachable. Reduced from 776 states to 776 states and 6211 transitions. [2018-06-22 10:43:52,237 INFO ]: Start accepts. Automaton has 776 states and 6211 transitions. Word has length 17 [2018-06-22 10:43:52,237 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:52,237 INFO ]: Abstraction has 776 states and 6211 transitions. [2018-06-22 10:43:52,237 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:52,238 INFO ]: Start isEmpty. Operand 776 states and 6211 transitions. [2018-06-22 10:43:52,249 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:52,249 INFO ]: Found error trace [2018-06-22 10:43:52,249 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:52,249 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:52,249 INFO ]: Analyzing trace with hash 706796052, now seen corresponding path program 1 times [2018-06-22 10:43:52,249 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:52,249 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:52,250 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:52,250 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:52,250 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:52,266 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:52,543 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:52,543 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:52,544 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:52,544 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:52,544 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:52,544 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:52,544 INFO ]: Start difference. First operand 776 states and 6211 transitions. Second operand 6 states. [2018-06-22 10:43:54,293 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:54,293 INFO ]: Finished difference Result 907 states and 7345 transitions. [2018-06-22 10:43:54,293 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:54,293 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:54,294 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:54,330 INFO ]: With dead ends: 907 [2018-06-22 10:43:54,331 INFO ]: Without dead ends: 907 [2018-06-22 10:43:54,331 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:54,332 INFO ]: Start minimizeSevpa. Operand 907 states. [2018-06-22 10:43:55,091 INFO ]: Finished minimizeSevpa. Reduced states from 907 to 874. [2018-06-22 10:43:55,091 INFO ]: Start removeUnreachable. Operand 874 states. [2018-06-22 10:43:55,127 INFO ]: Finished removeUnreachable. Reduced from 874 states to 874 states and 7026 transitions. [2018-06-22 10:43:55,127 INFO ]: Start accepts. Automaton has 874 states and 7026 transitions. Word has length 17 [2018-06-22 10:43:55,128 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:55,128 INFO ]: Abstraction has 874 states and 7026 transitions. [2018-06-22 10:43:55,128 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:55,128 INFO ]: Start isEmpty. Operand 874 states and 7026 transitions. [2018-06-22 10:43:55,148 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:43:55,148 INFO ]: Found error trace [2018-06-22 10:43:55,148 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:55,148 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:55,148 INFO ]: Analyzing trace with hash -168268055, now seen corresponding path program 1 times [2018-06-22 10:43:55,149 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:55,149 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:55,149 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:55,149 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:55,149 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:55,169 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:55,338 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:43:55,338 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:55,338 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:55,338 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:55,338 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:55,338 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:55,339 INFO ]: Start difference. First operand 874 states and 7026 transitions. Second operand 6 states. [2018-06-22 10:43:55,995 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:55,996 INFO ]: Finished difference Result 897 states and 7488 transitions. [2018-06-22 10:43:55,996 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:55,996 INFO ]: Start accepts. Automaton has 6 states. Word has length 21 [2018-06-22 10:43:55,996 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:56,022 INFO ]: With dead ends: 897 [2018-06-22 10:43:56,022 INFO ]: Without dead ends: 897 [2018-06-22 10:43:56,022 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:56,023 INFO ]: Start minimizeSevpa. Operand 897 states. [2018-06-22 10:43:56,818 INFO ]: Finished minimizeSevpa. Reduced states from 897 to 882. [2018-06-22 10:43:56,818 INFO ]: Start removeUnreachable. Operand 882 states. [2018-06-22 10:43:56,845 INFO ]: Finished removeUnreachable. Reduced from 882 states to 882 states and 7359 transitions. [2018-06-22 10:43:56,845 INFO ]: Start accepts. Automaton has 882 states and 7359 transitions. Word has length 21 [2018-06-22 10:43:56,845 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:56,845 INFO ]: Abstraction has 882 states and 7359 transitions. [2018-06-22 10:43:56,845 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:43:56,845 INFO ]: Start isEmpty. Operand 882 states and 7359 transitions. [2018-06-22 10:43:56,865 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:43:56,865 INFO ]: Found error trace [2018-06-22 10:43:56,865 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:56,865 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:56,866 INFO ]: Analyzing trace with hash -1910095897, now seen corresponding path program 1 times [2018-06-22 10:43:56,866 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:56,866 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:56,867 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:56,867 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:56,867 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:56,884 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:57,170 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:43:57,170 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:43:57,170 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:43:57,170 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:43:57,170 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:43:57,170 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:57,170 INFO ]: Start difference. First operand 882 states and 7359 transitions. Second operand 6 states. [2018-06-22 10:43:58,561 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:58,561 INFO ]: Finished difference Result 1499 states and 18063 transitions. [2018-06-22 10:43:58,562 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:43:58,562 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:43:58,562 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:58,662 INFO ]: With dead ends: 1499 [2018-06-22 10:43:58,662 INFO ]: Without dead ends: 1499 [2018-06-22 10:43:58,662 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:43:58,663 INFO ]: Start minimizeSevpa. Operand 1499 states. [2018-06-22 10:44:00,614 INFO ]: Finished minimizeSevpa. Reduced states from 1499 to 1447. [2018-06-22 10:44:00,614 INFO ]: Start removeUnreachable. Operand 1447 states. [2018-06-22 10:44:00,773 INFO ]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 17326 transitions. [2018-06-22 10:44:00,773 INFO ]: Start accepts. Automaton has 1447 states and 17326 transitions. Word has length 17 [2018-06-22 10:44:00,773 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:44:00,773 INFO ]: Abstraction has 1447 states and 17326 transitions. [2018-06-22 10:44:00,773 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:44:00,773 INFO ]: Start isEmpty. Operand 1447 states and 17326 transitions. [2018-06-22 10:44:00,793 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:44:00,793 INFO ]: Found error trace [2018-06-22 10:44:00,793 INFO ]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:44:00,793 INFO ]: === Iteration 10 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:44:00,796 INFO ]: Analyzing trace with hash 803443121, now seen corresponding path program 1 times [2018-06-22 10:44:00,796 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:44:00,796 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:44:00,796 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:44:00,796 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:44:00,796 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:44:00,812 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:44:01,077 INFO ]: Checked inductivity of 19 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-06-22 10:44:01,077 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:44:01,077 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:44:01,085 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:44:01,135 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:44:01,138 INFO ]: Computing forward predicates... [2018-06-22 10:44:01,234 INFO ]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:44:01,256 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:44:01,256 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2018-06-22 10:44:01,272 INFO ]: Interpolant automaton has 13 states [2018-06-22 10:44:01,272 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 10:44:01,272 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:44:01,272 INFO ]: Start difference. First operand 1447 states and 17326 transitions. Second operand 13 states. [2018-06-22 10:44:07,555 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:44:07,555 INFO ]: Finished difference Result 1993 states and 35786 transitions. [2018-06-22 10:44:07,572 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-06-22 10:44:07,572 INFO ]: Start accepts. Automaton has 13 states. Word has length 25 [2018-06-22 10:44:07,572 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:44:07,717 INFO ]: With dead ends: 1993 [2018-06-22 10:44:07,717 INFO ]: Without dead ends: 1993 [2018-06-22 10:44:07,717 INFO ]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:44:07,719 INFO ]: Start minimizeSevpa. Operand 1993 states. [2018-06-22 10:44:10,871 INFO ]: Finished minimizeSevpa. Reduced states from 1993 to 1709. [2018-06-22 10:44:10,871 INFO ]: Start removeUnreachable. Operand 1709 states. [2018-06-22 10:44:10,967 INFO ]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 29112 transitions. [2018-06-22 10:44:10,967 INFO ]: Start accepts. Automaton has 1709 states and 29112 transitions. Word has length 25 [2018-06-22 10:44:10,967 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:44:10,967 INFO ]: Abstraction has 1709 states and 29112 transitions. [2018-06-22 10:44:10,967 INFO ]: Interpolant automaton has 13 states. [2018-06-22 10:44:10,967 INFO ]: Start isEmpty. Operand 1709 states and 29112 transitions. [2018-06-22 10:44:10,994 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:44:10,994 INFO ]: Found error trace [2018-06-22 10:44:10,995 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:44:10,995 INFO ]: === Iteration 11 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:44:10,996 INFO ]: Analyzing trace with hash -732004803, now seen corresponding path program 1 times [2018-06-22 10:44:10,996 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:44:10,996 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:44:10,996 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:44:10,996 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:44:10,996 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:44:11,012 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:44:11,250 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:44:11,250 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:44:11,250 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:44:11,255 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:44:11,287 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:44:11,289 INFO ]: Computing forward predicates... [2018-06-22 10:44:11,330 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:44:11,349 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:44:11,349 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-06-22 10:44:11,349 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:44:11,349 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:44:11,349 INFO ]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:44:11,349 INFO ]: Start difference. First operand 1709 states and 29112 transitions. Second operand 12 states. [2018-06-22 10:44:16,395 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:44:16,395 INFO ]: Finished difference Result 3396 states and 78410 transitions. [2018-06-22 10:44:16,396 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:44:16,396 INFO ]: Start accepts. Automaton has 12 states. Word has length 21 [2018-06-22 10:44:16,396 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:44:16,910 INFO ]: With dead ends: 3396 [2018-06-22 10:44:16,910 INFO ]: Without dead ends: 3396 [2018-06-22 10:44:16,911 INFO ]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-06-22 10:44:16,913 INFO ]: Start minimizeSevpa. Operand 3396 states. Received shutdown request... [2018-06-22 10:44:25,094 INFO ]: Finished minimizeSevpa. Reduced states from 3396 to 3279. [2018-06-22 10:44:25,094 INFO ]: Start removeUnreachable. Operand 3279 states. [2018-06-22 10:44:25,095 WARN ]: Verification canceled [2018-06-22 10:44:25,100 WARN ]: Timeout [2018-06-22 10:44:25,100 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:44:25 BoogieIcfgContainer [2018-06-22 10:44:25,100 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:44:25,101 INFO ]: Toolchain (without parser) took 56169.73 ms. Allocated memory was 306.2 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 237.6 MB in the beginning and 1.1 GB in the end (delta: -899.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 10:44:25,102 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:44:25,103 INFO ]: ChcToBoogie took 90.38 ms. Allocated memory is still 306.2 MB. Free memory was 237.6 MB in the beginning and 233.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:44:25,103 INFO ]: Boogie Preprocessor took 70.14 ms. Allocated memory is still 306.2 MB. Free memory was 233.6 MB in the beginning and 230.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:44:25,103 INFO ]: RCFGBuilder took 1767.35 ms. Allocated memory was 306.2 MB in the beginning and 322.4 MB in the end (delta: 16.3 MB). Free memory was 230.6 MB in the beginning and 273.8 MB in the end (delta: -43.2 MB). Peak memory consumption was 51.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:44:25,104 INFO ]: TraceAbstraction took 54233.51 ms. Allocated memory was 322.4 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 273.8 MB in the beginning and 1.1 GB in the end (delta: -863.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 10:44:25,112 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 306.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.38 ms. Allocated memory is still 306.2 MB. Free memory was 237.6 MB in the beginning and 233.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.14 ms. Allocated memory is still 306.2 MB. Free memory was 233.6 MB in the beginning and 230.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1767.35 ms. Allocated memory was 306.2 MB in the beginning and 322.4 MB in the end (delta: 16.3 MB). Free memory was 230.6 MB in the beginning and 273.8 MB in the end (delta: -43.2 MB). Peak memory consumption was 51.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 54233.51 ms. Allocated memory was 322.4 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 273.8 MB in the beginning and 1.1 GB in the end (delta: -863.1 MB). Peak memory consumption was 1.4 GB. 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 (line 0). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 54.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 31.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3690 SDtfs, 148 SDslu, 17385 SDs, 0 SdLazy, 24161 SolverSat, 1435 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1709occurred in iteration=10, 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: 17.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 485 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 12368 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1009 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 32/68 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/point-location.43.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-44-25-125.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location.43.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-44-25-125.csv Completed graceful shutdown