java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp18-benchmarks/lia/chc-lia-0113.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-f5d4fca [2018-06-19 16:10:45,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-19 16:10:45,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-19 16:10:45,670 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-19 16:10:45,670 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-19 16:10:45,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-19 16:10:45,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-19 16:10:45,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-19 16:10:45,681 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-19 16:10:45,682 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-19 16:10:45,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-19 16:10:45,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-19 16:10:45,684 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-19 16:10:45,688 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-19 16:10:45,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-19 16:10:45,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-19 16:10:45,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-19 16:10:45,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-19 16:10:45,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-19 16:10:45,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-19 16:10:45,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-19 16:10:45,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-19 16:10:45,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-19 16:10:45,709 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-19 16:10:45,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-19 16:10:45,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-19 16:10:45,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-19 16:10:45,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-19 16:10:45,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-19 16:10:45,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-19 16:10:45,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-19 16:10:45,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-19 16:10:45,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-19 16:10:45,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-19 16:10:45,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-19 16:10:45,720 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-19 16:10:45,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-19 16:10:45,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-19 16:10:45,734 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-19 16:10:45,734 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-19 16:10:45,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-19 16:10:45,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-19 16:10:45,735 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-19 16:10:45,735 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-19 16:10:45,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-19 16:10:45,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-19 16:10:45,736 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-19 16:10:45,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-19 16:10:45,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-19 16:10:45,736 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-19 16:10:45,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-19 16:10:45,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-19 16:10:45,737 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-19 16:10:45,738 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-19 16:10:45,739 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-19 16:10:45,788 INFO ]: Repository-Root is: /tmp [2018-06-19 16:10:45,806 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-19 16:10:45,811 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-19 16:10:45,812 INFO ]: Initializing SmtParser... [2018-06-19 16:10:45,812 INFO ]: SmtParser initialized [2018-06-19 16:10:45,813 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp18-benchmarks/lia/chc-lia-0113.smt2 [2018-06-19 16:10:45,814 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 [2018-06-19 16:10:45,913 INFO ]: Executing SMT file /storage/chc-comp18-benchmarks/lia/chc-lia-0113.smt2 unknown [2018-06-19 16:10:46,115 INFO ]: Succesfully executed SMT file /storage/chc-comp18-benchmarks/lia/chc-lia-0113.smt2 [2018-06-19 16:10:46,126 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-19 16:10:46,131 INFO ]: Walking toolchain with 4 elements. [2018-06-19 16:10:46,131 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-19 16:10:46,131 INFO ]: Initializing ChcToBoogie... [2018-06-19 16:10:46,131 INFO ]: ChcToBoogie initialized [2018-06-19 16:10:46,136 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,227 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46 Unit [2018-06-19 16:10:46,227 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-19 16:10:46,228 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-19 16:10:46,228 INFO ]: Initializing Boogie Preprocessor... [2018-06-19 16:10:46,228 INFO ]: Boogie Preprocessor initialized [2018-06-19 16:10:46,244 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,244 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,253 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,253 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,259 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,261 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,264 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (1/1) ... [2018-06-19 16:10:46,267 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-19 16:10:46,267 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-19 16:10:46,267 INFO ]: Initializing RCFGBuilder... [2018-06-19 16:10:46,267 INFO ]: RCFGBuilder initialized [2018-06-19 16:10:46,268 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (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) [2018-06-19 16:10:46,284 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-19 16:10:46,284 INFO ]: Found specification of procedure gotoProc [2018-06-19 16:10:46,284 INFO ]: Found implementation of procedure gotoProc [2018-06-19 16:10:46,285 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-19 16:10:46,285 INFO ]: Found specification of procedure Ultimate.START [2018-06-19 16:10:46,285 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 [2018-06-19 16:10:46,596 INFO ]: Using library mode [2018-06-19 16:10:46,597 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.06 04:10:46 BoogieIcfgContainer [2018-06-19 16:10:46,597 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-19 16:10:46,598 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-19 16:10:46,598 INFO ]: Initializing TraceAbstraction... [2018-06-19 16:10:46,602 INFO ]: TraceAbstraction initialized [2018-06-19 16:10:46,602 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 19.06 04:10:46" (1/3) ... [2018-06-19 16:10:46,603 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6fa3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 19.06 04:10:46, skipping insertion in model container [2018-06-19 16:10:46,603 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 19.06 04:10:46" (2/3) ... [2018-06-19 16:10:46,603 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6fa3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.06 04:10:46, skipping insertion in model container [2018-06-19 16:10:46,603 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.06 04:10:46" (3/3) ... [2018-06-19 16:10:46,605 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-19 16:10:46,614 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-19 16:10:46,623 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-19 16:10:46,658 INFO ]: Using default assertion order modulation [2018-06-19 16:10:46,659 INFO ]: Interprodecural is true [2018-06-19 16:10:46,659 INFO ]: Hoare is false [2018-06-19 16:10:46,659 INFO ]: Compute interpolants for FPandBP [2018-06-19 16:10:46,659 INFO ]: Backedges is TWOTRACK [2018-06-19 16:10:46,659 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-19 16:10:46,659 INFO ]: Difference is false [2018-06-19 16:10:46,659 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-19 16:10:46,659 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-19 16:10:46,673 INFO ]: Start isEmpty. Operand 11 states. [2018-06-19 16:10:46,688 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-19 16:10:46,688 INFO ]: Found error trace [2018-06-19 16:10:46,691 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:10:46,691 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:10:46,697 INFO ]: Analyzing trace with hash 1428623444, now seen corresponding path program 1 times [2018-06-19 16:10:46,699 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:10:46,699 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:10:46,732 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:46,732 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 16:10:46,732 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:46,768 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:46,892 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:46,895 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-19 16:10:46,895 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-19 16:10:46,897 INFO ]: Interpolant automaton has 4 states [2018-06-19 16:10:46,913 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-19 16:10:46,914 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-19 16:10:46,917 INFO ]: Start difference. First operand 11 states. Second operand 4 states. [2018-06-19 16:10:47,067 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 16:10:47,067 INFO ]: Finished difference Result 12 states and 13 transitions. [2018-06-19 16:10:47,068 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-19 16:10:47,069 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-19 16:10:47,070 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 16:10:47,079 INFO ]: With dead ends: 12 [2018-06-19 16:10:47,080 INFO ]: Without dead ends: 9 [2018-06-19 16:10:47,081 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-19 16:10:47,095 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-19 16:10:47,110 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-19 16:10:47,111 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-19 16:10:47,112 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-19 16:10:47,113 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-19 16:10:47,113 INFO ]: Finished accepts. word is rejected. [2018-06-19 16:10:47,113 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-19 16:10:47,113 INFO ]: Interpolant automaton has 4 states. [2018-06-19 16:10:47,113 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-19 16:10:47,114 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-19 16:10:47,114 INFO ]: Found error trace [2018-06-19 16:10:47,114 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:10:47,114 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:10:47,115 INFO ]: Analyzing trace with hash 1391123023, now seen corresponding path program 1 times [2018-06-19 16:10:47,115 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:10:47,115 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:10:47,116 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:47,116 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 16:10:47,116 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:47,139 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:47,205 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:47,205 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-19 16:10:47,205 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-19 16:10:47,206 INFO ]: Interpolant automaton has 3 states [2018-06-19 16:10:47,207 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-19 16:10:47,207 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-19 16:10:47,207 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2018-06-19 16:10:47,256 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 16:10:47,257 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-19 16:10:47,257 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-19 16:10:47,257 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-19 16:10:47,257 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 16:10:47,258 INFO ]: With dead ends: 10 [2018-06-19 16:10:47,258 INFO ]: Without dead ends: 10 [2018-06-19 16:10:47,259 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 [2018-06-19 16:10:47,259 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-19 16:10:47,260 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-19 16:10:47,260 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-19 16:10:47,262 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-19 16:10:47,262 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-19 16:10:47,262 INFO ]: Finished accepts. word is rejected. [2018-06-19 16:10:47,262 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-19 16:10:47,262 INFO ]: Interpolant automaton has 3 states. [2018-06-19 16:10:47,262 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-19 16:10:47,262 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-19 16:10:47,262 INFO ]: Found error trace [2018-06-19 16:10:47,263 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:10:47,263 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:10:47,263 INFO ]: Analyzing trace with hash 175969275, now seen corresponding path program 1 times [2018-06-19 16:10:47,263 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:10:47,263 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:10:47,264 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:47,264 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 16:10:47,264 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:47,306 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:47,430 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:47,430 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 16:10:47,430 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 [2018-06-19 16:10:47,437 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 16:10:47,480 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:47,488 INFO ]: Computing forward predicates... [2018-06-19 16:10:49,009 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:49,029 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 16:10:49,029 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-19 16:10:49,030 INFO ]: Interpolant automaton has 5 states [2018-06-19 16:10:49,030 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-19 16:10:49,030 INFO ]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-06-19 16:10:49,030 INFO ]: Start difference. First operand 10 states and 10 transitions. Second operand 5 states. [2018-06-19 16:10:49,140 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 16:10:49,140 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-19 16:10:49,141 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-19 16:10:49,142 INFO ]: Start accepts. Automaton has 5 states. Word has length 9 [2018-06-19 16:10:49,142 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 16:10:49,142 INFO ]: With dead ends: 11 [2018-06-19 16:10:49,142 INFO ]: Without dead ends: 11 [2018-06-19 16:10:49,142 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-06-19 16:10:49,142 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-19 16:10:49,144 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-19 16:10:49,144 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-19 16:10:49,144 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-19 16:10:49,144 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-06-19 16:10:49,144 INFO ]: Finished accepts. word is rejected. [2018-06-19 16:10:49,144 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-19 16:10:49,144 INFO ]: Interpolant automaton has 5 states. [2018-06-19 16:10:49,144 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-19 16:10:49,144 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-19 16:10:49,144 INFO ]: Found error trace [2018-06-19 16:10:49,145 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:10:49,145 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:10:49,145 INFO ]: Analyzing trace with hash 1160908751, now seen corresponding path program 2 times [2018-06-19 16:10:49,145 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:10:49,145 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:10:49,147 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:49,147 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-19 16:10:49,147 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:49,203 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:49,422 WARN ]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-19 16:10:49,464 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:49,464 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 16:10:49,464 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 [2018-06-19 16:10:49,472 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-19 16:10:49,535 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-19 16:10:49,535 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:49,538 INFO ]: Computing forward predicates... [2018-06-19 16:10:52,175 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:52,208 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 16:10:52,208 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-06-19 16:10:52,208 INFO ]: Interpolant automaton has 6 states [2018-06-19 16:10:52,208 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-19 16:10:52,208 INFO ]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-06-19 16:10:52,208 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-06-19 16:10:52,637 WARN ]: Spent 371.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-06-19 16:10:53,430 WARN ]: Spent 710.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 10 [2018-06-19 16:10:53,502 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 16:10:53,502 INFO ]: Finished difference Result 12 states and 12 transitions. [2018-06-19 16:10:53,505 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-19 16:10:53,505 INFO ]: Start accepts. Automaton has 6 states. Word has length 10 [2018-06-19 16:10:53,505 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 16:10:53,505 INFO ]: With dead ends: 12 [2018-06-19 16:10:53,505 INFO ]: Without dead ends: 12 [2018-06-19 16:10:53,506 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-06-19 16:10:53,506 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-19 16:10:53,507 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-19 16:10:53,507 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-19 16:10:53,507 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-06-19 16:10:53,508 INFO ]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-06-19 16:10:53,508 INFO ]: Finished accepts. word is rejected. [2018-06-19 16:10:53,508 INFO ]: Abstraction has 12 states and 12 transitions. [2018-06-19 16:10:53,508 INFO ]: Interpolant automaton has 6 states. [2018-06-19 16:10:53,508 INFO ]: Start isEmpty. Operand 12 states and 12 transitions. [2018-06-19 16:10:53,508 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-19 16:10:53,508 INFO ]: Found error trace [2018-06-19 16:10:53,508 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:10:53,508 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:10:53,508 INFO ]: Analyzing trace with hash 1629261435, now seen corresponding path program 3 times [2018-06-19 16:10:53,508 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:10:53,508 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:10:53,509 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:53,509 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 16:10:53,509 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:10:53,578 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:54,607 WARN ]: Spent 800.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-06-19 16:10:55,129 WARN ]: Spent 446.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2018-06-19 16:10:55,274 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:10:55,274 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 16:10:55,274 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 [2018-06-19 16:10:55,284 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-19 16:10:55,362 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-19 16:10:55,362 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:10:55,366 INFO ]: Computing forward predicates... [2018-06-19 16:11:26,788 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:11:26,809 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-19 16:11:26,809 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-19 16:11:26,809 INFO ]: Interpolant automaton has 8 states [2018-06-19 16:11:26,809 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-19 16:11:26,809 INFO ]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-06-19 16:11:26,810 INFO ]: Start difference. First operand 12 states and 12 transitions. Second operand 8 states. [2018-06-19 16:11:26,909 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-19 16:11:26,909 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-19 16:11:26,909 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-19 16:11:26,909 INFO ]: Start accepts. Automaton has 8 states. Word has length 11 [2018-06-19 16:11:26,909 INFO ]: Finished accepts. some prefix is accepted. [2018-06-19 16:11:26,909 INFO ]: With dead ends: 14 [2018-06-19 16:11:26,909 INFO ]: Without dead ends: 14 [2018-06-19 16:11:26,911 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2018-06-19 16:11:26,911 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-19 16:11:26,912 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-19 16:11:26,912 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-19 16:11:26,913 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-19 16:11:26,913 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-06-19 16:11:26,913 INFO ]: Finished accepts. word is rejected. [2018-06-19 16:11:26,913 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-19 16:11:26,913 INFO ]: Interpolant automaton has 8 states. [2018-06-19 16:11:26,913 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-19 16:11:26,914 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-19 16:11:26,914 INFO ]: Found error trace [2018-06-19 16:11:26,914 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-19 16:11:26,914 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-19 16:11:26,914 INFO ]: Analyzing trace with hash -1916311301, now seen corresponding path program 4 times [2018-06-19 16:11:26,914 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-19 16:11:26,914 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-19 16:11:26,915 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:11:26,915 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-19 16:11:26,915 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-19 16:11:27,011 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:11:27,421 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-19 16:11:27,421 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-19 16:11:27,421 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 16:11:27,429 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-19 16:11:27,508 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-19 16:11:27,508 INFO ]: Conjunction of SSA is unsat [2018-06-19 16:11:27,513 INFO ]: Computing forward predicates... [2018-06-19 16:11:31,439 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 16:11:32,088 WARN ]: expecting exponential blowup for input size 6 [2018-06-19 16:11:32,219 WARN ]: expecting exponential blowup for input size 7 Received shutdown request... [2018-06-19 16:11:52,159 INFO ]: Timeout while computing interpolants [2018-06-19 16:11:52,360 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-19 16:11:52,360 WARN ]: Verification canceled [2018-06-19 16:11:52,364 WARN ]: Timeout [2018-06-19 16:11:52,365 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.06 04:11:52 BoogieIcfgContainer [2018-06-19 16:11:52,365 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-19 16:11:52,366 INFO ]: Toolchain (without parser) took 66239.29 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 263.7 MB in the beginning and 980.9 MB in the end (delta: -717.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-19 16:11:52,370 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-19 16:11:52,371 INFO ]: ChcToBoogie took 96.02 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 259.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-19 16:11:52,371 INFO ]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 258.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-19 16:11:52,372 INFO ]: RCFGBuilder took 329.37 ms. Allocated memory is still 309.3 MB. Free memory was 258.7 MB in the beginning and 246.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 3.6 GB. [2018-06-19 16:11:52,372 INFO ]: TraceAbstraction took 65766.40 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 246.4 MB in the beginning and 980.9 MB in the end (delta: -734.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-19 16:11:52,378 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.02 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 259.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 39.15 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 258.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 329.37 ms. Allocated memory is still 309.3 MB. Free memory was 258.7 MB in the beginning and 246.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 65766.40 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 246.4 MB in the beginning and 980.9 MB in the end (delta: -734.5 MB). Peak memory consumption was 1.3 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 BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 5, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 25348 quantified variables from 12 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 11 locations, 1 error locations. TIMEOUT Result, 65.7s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 SDtfs, 8 SDslu, 79 SDs, 0 SdLazy, 34 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 37.8s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 1418 SizeOfPredicates, 15 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/20 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/chc-lia-0113.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-19_16-11-52-390.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/chc-lia-0113.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-19_16-11-52-390.csv Completed graceful shutdown