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/vmt-chc-benchmarks/lustre/car_6_e3_294_e5_979.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 16:02:06,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 16:02:06,526 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 16:02:06,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 16:02:06,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 16:02:06,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 16:02:06,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 16:02:06,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 16:02:06,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 16:02:06,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 16:02:06,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 16:02:06,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 16:02:06,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 16:02:06,547 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 16:02:06,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 16:02:06,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 16:02:06,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 16:02:06,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 16:02:06,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 16:02:06,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 16:02:06,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 16:02:06,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 16:02:06,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 16:02:06,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 16:02:06,560 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 16:02:06,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 16:02:06,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 16:02:06,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 16:02:06,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 16:02:06,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 16:02:06,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 16:02:06,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 16:02:06,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 16:02:06,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 16:02:06,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 16:02:06,568 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 16:02:06,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 16:02:06,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 16:02:06,583 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 16:02:06,583 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 16:02:06,584 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 16:02:06,584 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 16:02:06,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 16:02:06,585 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 16:02:06,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 16:02:06,585 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 16:02:06,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 16:02:06,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 16:02:06,586 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 16:02:06,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 16:02:06,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 16:02:06,587 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 16:02:06,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 16:02:06,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 16:02:06,587 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 16:02:06,589 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 16:02:06,589 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 16:02:06,636 INFO ]: Repository-Root is: /tmp [2018-06-22 16:02:06,657 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 16:02:06,664 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 16:02:06,666 INFO ]: Initializing SmtParser... [2018-06-22 16:02:06,666 INFO ]: SmtParser initialized [2018-06-22 16:02:06,667 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/car_6_e3_294_e5_979.smt2 [2018-06-22 16:02:06,669 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 16:02:06,766 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_6_e3_294_e5_979.smt2 unknown [2018-06-22 16:02:07,128 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/car_6_e3_294_e5_979.smt2 [2018-06-22 16:02:07,133 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 16:02:07,139 INFO ]: Walking toolchain with 4 elements. [2018-06-22 16:02:07,144 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 16:02:07,144 INFO ]: Initializing ChcToBoogie... [2018-06-22 16:02:07,144 INFO ]: ChcToBoogie initialized [2018-06-22 16:02:07,148 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,195 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07 Unit [2018-06-22 16:02:07,195 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 16:02:07,195 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 16:02:07,195 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 16:02:07,195 INFO ]: Boogie Preprocessor initialized [2018-06-22 16:02:07,216 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,216 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,225 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,226 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,239 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,240 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,242 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (1/1) ... [2018-06-22 16:02:07,253 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 16:02:07,254 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 16:02:07,254 INFO ]: Initializing RCFGBuilder... [2018-06-22 16:02:07,254 INFO ]: RCFGBuilder initialized [2018-06-22 16:02:07,254 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (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 16:02:07,275 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 16:02:07,275 INFO ]: Found specification of procedure False [2018-06-22 16:02:07,275 INFO ]: Found implementation of procedure False [2018-06-22 16:02:07,275 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 16:02:07,275 INFO ]: Found specification of procedure state [2018-06-22 16:02:07,275 INFO ]: Found implementation of procedure state [2018-06-22 16:02:07,275 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 16:02:07,275 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 16:02:07,275 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 16:02:07,606 INFO ]: Using library mode [2018-06-22 16:02:07,606 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:02:07 BoogieIcfgContainer [2018-06-22 16:02:07,607 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 16:02:07,608 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 16:02:07,608 INFO ]: Initializing TraceAbstraction... [2018-06-22 16:02:07,611 INFO ]: TraceAbstraction initialized [2018-06-22 16:02:07,611 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 04:02:07" (1/3) ... [2018-06-22 16:02:07,616 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad904cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 04:02:07, skipping insertion in model container [2018-06-22 16:02:07,617 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 04:02:07" (2/3) ... [2018-06-22 16:02:07,617 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad904cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:02:07, skipping insertion in model container [2018-06-22 16:02:07,617 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:02:07" (3/3) ... [2018-06-22 16:02:07,619 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 16:02:07,628 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 16:02:07,634 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 16:02:07,675 INFO ]: Using default assertion order modulation [2018-06-22 16:02:07,675 INFO ]: Interprodecural is true [2018-06-22 16:02:07,675 INFO ]: Hoare is false [2018-06-22 16:02:07,675 INFO ]: Compute interpolants for FPandBP [2018-06-22 16:02:07,675 INFO ]: Backedges is TWOTRACK [2018-06-22 16:02:07,675 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 16:02:07,675 INFO ]: Difference is false [2018-06-22 16:02:07,675 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 16:02:07,675 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 16:02:07,688 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 16:02:07,702 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 16:02:07,702 INFO ]: Found error trace [2018-06-22 16:02:07,703 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:07,703 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:07,707 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 16:02:07,708 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:07,708 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:07,740 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:07,740 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:02:07,740 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:07,802 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:07,936 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 16:02:07,938 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 16:02:07,938 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 16:02:07,939 INFO ]: Interpolant automaton has 4 states [2018-06-22 16:02:07,950 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 16:02:07,950 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:02:07,952 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 16:02:08,059 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:08,059 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 16:02:08,060 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 16:02:08,061 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 16:02:08,061 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:08,073 INFO ]: With dead ends: 13 [2018-06-22 16:02:08,073 INFO ]: Without dead ends: 13 [2018-06-22 16:02:08,075 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 16:02:08,093 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 16:02:08,115 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 16:02:08,117 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 16:02:08,117 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 16:02:08,118 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 16:02:08,119 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:08,119 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 16:02:08,119 INFO ]: Interpolant automaton has 4 states. [2018-06-22 16:02:08,119 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 16:02:08,120 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 16:02:08,120 INFO ]: Found error trace [2018-06-22 16:02:08,120 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:08,120 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:08,120 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 16:02:08,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:08,120 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:08,121 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:08,121 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:02:08,121 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:08,200 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:08,389 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:02:08,389 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:08,389 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 16:02:08,396 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:02:08,479 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:08,489 INFO ]: Computing forward predicates... [2018-06-22 16:02:08,897 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 16:02:08,931 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:08,931 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 16:02:08,932 INFO ]: Interpolant automaton has 9 states [2018-06-22 16:02:08,932 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 16:02:08,932 INFO ]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-06-22 16:02:08,932 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 16:02:09,165 WARN ]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-06-22 16:02:09,454 WARN ]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-06-22 16:02:09,742 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:09,742 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 16:02:09,742 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 16:02:09,742 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 16:02:09,743 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:09,743 INFO ]: With dead ends: 15 [2018-06-22 16:02:09,743 INFO ]: Without dead ends: 15 [2018-06-22 16:02:09,744 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-06-22 16:02:09,744 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 16:02:09,747 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 16:02:09,747 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 16:02:09,748 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 16:02:09,748 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 16:02:09,748 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:09,748 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 16:02:09,748 INFO ]: Interpolant automaton has 9 states. [2018-06-22 16:02:09,748 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 16:02:09,748 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 16:02:09,748 INFO ]: Found error trace [2018-06-22 16:02:09,749 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:09,749 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:09,749 INFO ]: Analyzing trace with hash -1649658231, now seen corresponding path program 2 times [2018-06-22 16:02:09,749 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:09,749 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:09,749 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:09,749 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:02:09,749 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:09,837 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:10,128 WARN ]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-22 16:02:10,637 WARN ]: Spent 418.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-06-22 16:02:10,781 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 16:02:10,781 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:10,781 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) [2018-06-22 16:02:10,795 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:02:10,892 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 16:02:10,892 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:10,897 INFO ]: Computing forward predicates... [2018-06-22 16:02:11,373 WARN ]: Spent 194.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2018-06-22 16:02:11,442 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 16:02:11,463 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:11,463 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-06-22 16:02:11,463 INFO ]: Interpolant automaton has 13 states [2018-06-22 16:02:11,463 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 16:02:11,463 INFO ]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-06-22 16:02:11,464 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 13 states. [2018-06-22 16:02:11,816 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-06-22 16:02:11,973 WARN ]: Spent 126.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2018-06-22 16:02:11,999 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:11,999 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 16:02:12,000 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 16:02:12,000 INFO ]: Start accepts. Automaton has 13 states. Word has length 17 [2018-06-22 16:02:12,000 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:12,001 INFO ]: With dead ends: 17 [2018-06-22 16:02:12,001 INFO ]: Without dead ends: 17 [2018-06-22 16:02:12,001 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-06-22 16:02:12,001 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 16:02:12,003 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 16:02:12,003 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 16:02:12,004 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 16:02:12,004 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 17 [2018-06-22 16:02:12,004 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:12,004 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 16:02:12,004 INFO ]: Interpolant automaton has 13 states. [2018-06-22 16:02:12,004 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 16:02:12,005 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 16:02:12,005 INFO ]: Found error trace [2018-06-22 16:02:12,005 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:12,005 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:12,005 INFO ]: Analyzing trace with hash 2119922091, now seen corresponding path program 3 times [2018-06-22 16:02:12,005 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:12,005 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:12,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:12,006 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 16:02:12,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:12,074 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:12,349 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 16:02:12,349 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:12,349 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) [2018-06-22 16:02:12,367 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:02:12,453 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 16:02:12,453 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:12,458 INFO ]: Computing forward predicates... [2018-06-22 16:02:12,886 WARN ]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-06-22 16:02:13,144 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 16:02:13,170 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:13,170 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-06-22 16:02:13,170 INFO ]: Interpolant automaton has 17 states [2018-06-22 16:02:13,171 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 16:02:13,171 INFO ]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2018-06-22 16:02:13,171 INFO ]: Start difference. First operand 17 states and 18 transitions. Second operand 17 states. [2018-06-22 16:02:13,783 WARN ]: Spent 522.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2018-06-22 16:02:13,989 WARN ]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-06-22 16:02:14,181 WARN ]: Spent 167.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2018-06-22 16:02:14,418 WARN ]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-06-22 16:02:14,632 WARN ]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2018-06-22 16:02:14,664 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:14,664 INFO ]: Finished difference Result 21 states and 22 transitions. [2018-06-22 16:02:14,664 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 16:02:14,664 INFO ]: Start accepts. Automaton has 17 states. Word has length 21 [2018-06-22 16:02:14,665 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:14,665 INFO ]: With dead ends: 21 [2018-06-22 16:02:14,665 INFO ]: Without dead ends: 21 [2018-06-22 16:02:14,666 INFO ]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2018-06-22 16:02:14,666 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-22 16:02:14,669 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-06-22 16:02:14,669 INFO ]: Start removeUnreachable. Operand 21 states. [2018-06-22 16:02:14,670 INFO ]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-06-22 16:02:14,670 INFO ]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 21 [2018-06-22 16:02:14,670 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:14,670 INFO ]: Abstraction has 21 states and 22 transitions. [2018-06-22 16:02:14,670 INFO ]: Interpolant automaton has 17 states. [2018-06-22 16:02:14,670 INFO ]: Start isEmpty. Operand 21 states and 22 transitions. [2018-06-22 16:02:14,672 INFO ]: Finished isEmpty. Found accepting run of length 30 [2018-06-22 16:02:14,672 INFO ]: Found error trace [2018-06-22 16:02:14,672 INFO ]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:14,672 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:14,672 INFO ]: Analyzing trace with hash 853117551, now seen corresponding path program 4 times [2018-06-22 16:02:14,672 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:14,672 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:14,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:14,673 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 16:02:14,673 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:14,839 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:15,645 INFO ]: Checked inductivity of 55 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-06-22 16:02:15,645 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:15,645 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 [2018-06-22 16:02:15,651 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 16:02:15,770 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 16:02:15,770 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:15,776 INFO ]: Computing forward predicates... [2018-06-22 16:02:16,069 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:02:16,675 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:02:16,717 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 16:02:19,207 WARN ]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2018-06-22 16:02:19,973 INFO ]: Checked inductivity of 55 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-06-22 16:02:19,994 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:19,994 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2018-06-22 16:02:19,994 INFO ]: Interpolant automaton has 25 states [2018-06-22 16:02:19,994 INFO ]: Constructing interpolant automaton starting with 25 interpolants. [2018-06-22 16:02:19,995 INFO ]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-06-22 16:02:19,995 INFO ]: Start difference. First operand 21 states and 22 transitions. Second operand 25 states. [2018-06-22 16:02:20,392 WARN ]: Spent 285.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2018-06-22 16:02:20,819 WARN ]: Spent 379.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2018-06-22 16:02:21,120 WARN ]: Spent 263.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 101 [2018-06-22 16:02:21,545 WARN ]: Spent 393.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 103 [2018-06-22 16:02:21,813 WARN ]: Spent 217.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2018-06-22 16:02:22,184 WARN ]: Spent 298.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2018-06-22 16:02:22,924 WARN ]: Spent 696.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 109 [2018-06-22 16:02:22,972 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:22,972 INFO ]: Finished difference Result 25 states and 26 transitions. [2018-06-22 16:02:22,973 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 16:02:22,973 INFO ]: Start accepts. Automaton has 25 states. Word has length 29 [2018-06-22 16:02:22,973 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:22,974 INFO ]: With dead ends: 25 [2018-06-22 16:02:22,974 INFO ]: Without dead ends: 25 [2018-06-22 16:02:22,975 INFO ]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=216, Invalid=840, Unknown=0, NotChecked=0, Total=1056 [2018-06-22 16:02:22,975 INFO ]: Start minimizeSevpa. Operand 25 states. [2018-06-22 16:02:22,979 INFO ]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-06-22 16:02:22,979 INFO ]: Start removeUnreachable. Operand 25 states. [2018-06-22 16:02:22,980 INFO ]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-06-22 16:02:22,980 INFO ]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 29 [2018-06-22 16:02:22,981 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:22,981 INFO ]: Abstraction has 25 states and 26 transitions. [2018-06-22 16:02:22,981 INFO ]: Interpolant automaton has 25 states. [2018-06-22 16:02:22,981 INFO ]: Start isEmpty. Operand 25 states and 26 transitions. [2018-06-22 16:02:22,984 INFO ]: Finished isEmpty. Found accepting run of length 38 [2018-06-22 16:02:22,984 INFO ]: Found error trace [2018-06-22 16:02:22,984 INFO ]: trace histogram [8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:22,984 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:22,984 INFO ]: Analyzing trace with hash -1494134477, now seen corresponding path program 5 times [2018-06-22 16:02:22,984 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:22,984 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:22,985 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:22,985 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 16:02:22,985 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:23,193 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:23,679 WARN ]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-06-22 16:02:23,961 WARN ]: Spent 180.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2018-06-22 16:02:24,750 INFO ]: Checked inductivity of 105 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-06-22 16:02:24,750 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:24,750 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:02:24,769 INFO ]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-06-22 16:02:24,918 INFO ]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-06-22 16:02:24,918 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:24,928 INFO ]: Computing forward predicates... [2018-06-22 16:02:25,661 WARN ]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-06-22 16:02:27,187 WARN ]: Spent 951.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-06-22 16:02:28,125 INFO ]: Checked inductivity of 105 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-06-22 16:02:28,155 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:28,155 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2018-06-22 16:02:28,156 INFO ]: Interpolant automaton has 32 states [2018-06-22 16:02:28,156 INFO ]: Constructing interpolant automaton starting with 32 interpolants. [2018-06-22 16:02:28,156 INFO ]: CoverageRelationStatistics Valid=83, Invalid=909, Unknown=0, NotChecked=0, Total=992 [2018-06-22 16:02:28,157 INFO ]: Start difference. First operand 25 states and 26 transitions. Second operand 32 states. [2018-06-22 16:02:28,649 WARN ]: Spent 382.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2018-06-22 16:02:28,989 WARN ]: Spent 294.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2018-06-22 16:02:29,334 WARN ]: Spent 317.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 78 [2018-06-22 16:02:29,734 WARN ]: Spent 369.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 74 [2018-06-22 16:02:30,125 WARN ]: Spent 356.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2018-06-22 16:02:30,421 WARN ]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2018-06-22 16:02:30,718 WARN ]: Spent 244.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2018-06-22 16:02:31,021 WARN ]: Spent 260.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2018-06-22 16:02:31,409 WARN ]: Spent 334.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2018-06-22 16:02:31,480 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:31,480 INFO ]: Finished difference Result 29 states and 30 transitions. [2018-06-22 16:02:31,481 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 16:02:31,481 INFO ]: Start accepts. Automaton has 32 states. Word has length 37 [2018-06-22 16:02:31,482 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:31,482 INFO ]: With dead ends: 29 [2018-06-22 16:02:31,482 INFO ]: Without dead ends: 29 [2018-06-22 16:02:31,483 INFO ]: 0 DeclaredPredicates, 64 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=335, Invalid=1387, Unknown=0, NotChecked=0, Total=1722 [2018-06-22 16:02:31,483 INFO ]: Start minimizeSevpa. Operand 29 states. [2018-06-22 16:02:31,492 INFO ]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-06-22 16:02:31,492 INFO ]: Start removeUnreachable. Operand 29 states. [2018-06-22 16:02:31,492 INFO ]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-06-22 16:02:31,493 INFO ]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 37 [2018-06-22 16:02:31,493 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:31,493 INFO ]: Abstraction has 29 states and 30 transitions. [2018-06-22 16:02:31,493 INFO ]: Interpolant automaton has 32 states. [2018-06-22 16:02:31,493 INFO ]: Start isEmpty. Operand 29 states and 30 transitions. [2018-06-22 16:02:31,494 INFO ]: Finished isEmpty. Found accepting run of length 46 [2018-06-22 16:02:31,494 INFO ]: Found error trace [2018-06-22 16:02:31,494 INFO ]: trace histogram [10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:31,494 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:31,494 INFO ]: Analyzing trace with hash 996918775, now seen corresponding path program 6 times [2018-06-22 16:02:31,494 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:31,494 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:31,497 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:31,497 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 16:02:31,497 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:31,799 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:32,853 WARN ]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-22 16:02:33,576 WARN ]: Spent 628.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2018-06-22 16:02:34,712 WARN ]: Spent 1.03 s on a formula simplification. DAG size of input: 127 DAG size of output: 23 [2018-06-22 16:02:35,075 WARN ]: Spent 311.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 44 [2018-06-22 16:02:35,479 WARN ]: Spent 372.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2018-06-22 16:02:35,881 WARN ]: Spent 372.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 71 [2018-06-22 16:02:36,168 WARN ]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2018-06-22 16:02:36,679 WARN ]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-06-22 16:02:36,987 WARN ]: Spent 239.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 43 [2018-06-22 16:02:37,367 WARN ]: Spent 272.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 34 [2018-06-22 16:02:38,052 WARN ]: Spent 460.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 16 [2018-06-22 16:02:38,606 WARN ]: Spent 458.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2018-06-22 16:02:38,705 INFO ]: Checked inductivity of 171 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-06-22 16:02:38,705 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:02:38,705 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:02:38,712 INFO ]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-06-22 16:02:38,962 INFO ]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2018-06-22 16:02:38,962 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:38,973 INFO ]: Computing forward predicates... [2018-06-22 16:02:39,784 WARN ]: Spent 255.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-06-22 16:02:41,594 WARN ]: Spent 352.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2018-06-22 16:02:41,962 INFO ]: Checked inductivity of 171 backedges. 1 proven. 125 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-06-22 16:02:41,984 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:02:41,984 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2018-06-22 16:02:41,984 INFO ]: Interpolant automaton has 41 states [2018-06-22 16:02:41,984 INFO ]: Constructing interpolant automaton starting with 41 interpolants. [2018-06-22 16:02:41,985 INFO ]: CoverageRelationStatistics Valid=122, Invalid=1518, Unknown=0, NotChecked=0, Total=1640 [2018-06-22 16:02:41,985 INFO ]: Start difference. First operand 29 states and 30 transitions. Second operand 41 states. [2018-06-22 16:02:42,614 WARN ]: Spent 452.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 151 [2018-06-22 16:02:43,240 WARN ]: Spent 479.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 146 [2018-06-22 16:02:43,869 WARN ]: Spent 525.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2018-06-22 16:02:44,453 WARN ]: Spent 528.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 148 [2018-06-22 16:02:45,039 WARN ]: Spent 526.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 157 [2018-06-22 16:02:45,585 WARN ]: Spent 480.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 148 [2018-06-22 16:02:46,178 WARN ]: Spent 474.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 149 [2018-06-22 16:02:46,695 WARN ]: Spent 443.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 144 [2018-06-22 16:02:47,475 WARN ]: Spent 525.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 140 [2018-06-22 16:02:48,166 WARN ]: Spent 580.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 146 [2018-06-22 16:02:48,274 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 16:02:48,274 INFO ]: Finished difference Result 31 states and 32 transitions. [2018-06-22 16:02:48,277 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 16:02:48,277 INFO ]: Start accepts. Automaton has 41 states. Word has length 45 [2018-06-22 16:02:48,277 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 16:02:48,278 INFO ]: With dead ends: 31 [2018-06-22 16:02:48,278 INFO ]: Without dead ends: 31 [2018-06-22 16:02:48,279 INFO ]: 0 DeclaredPredicates, 77 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=471, Invalid=2181, Unknown=0, NotChecked=0, Total=2652 [2018-06-22 16:02:48,279 INFO ]: Start minimizeSevpa. Operand 31 states. [2018-06-22 16:02:48,287 INFO ]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-06-22 16:02:48,287 INFO ]: Start removeUnreachable. Operand 31 states. [2018-06-22 16:02:48,288 INFO ]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-06-22 16:02:48,288 INFO ]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 45 [2018-06-22 16:02:48,288 INFO ]: Finished accepts. word is rejected. [2018-06-22 16:02:48,288 INFO ]: Abstraction has 31 states and 32 transitions. [2018-06-22 16:02:48,288 INFO ]: Interpolant automaton has 41 states. [2018-06-22 16:02:48,288 INFO ]: Start isEmpty. Operand 31 states and 32 transitions. [2018-06-22 16:02:48,294 INFO ]: Finished isEmpty. Found accepting run of length 50 [2018-06-22 16:02:48,294 INFO ]: Found error trace [2018-06-22 16:02:48,294 INFO ]: trace histogram [11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 16:02:48,294 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 16:02:48,294 INFO ]: Analyzing trace with hash -570306151, now seen corresponding path program 7 times [2018-06-22 16:02:48,294 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 16:02:48,294 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 16:02:48,295 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:48,295 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 16:02:48,295 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 16:02:48,662 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:02:50,008 WARN ]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-22 16:02:50,432 WARN ]: Spent 352.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-06-22 16:02:52,022 WARN ]: Spent 1.51 s on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2018-06-22 16:02:53,249 WARN ]: Spent 1.16 s on a formula simplification. DAG size of input: 272 DAG size of output: 68 [2018-06-22 16:02:54,262 WARN ]: Spent 930.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 46 [2018-06-22 16:02:54,725 WARN ]: Spent 411.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 24 [2018-06-22 16:02:55,467 WARN ]: Spent 665.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 53 [2018-06-22 16:02:56,353 WARN ]: Spent 817.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 62 [2018-06-22 16:02:56,701 WARN ]: Spent 297.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 66 [2018-06-22 16:02:57,224 WARN ]: Spent 240.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 42 [2018-06-22 16:02:57,710 WARN ]: Spent 358.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 36 [2018-06-22 16:02:58,680 WARN ]: Spent 776.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 16 [2018-06-22 16:02:59,968 WARN ]: Spent 804.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 6 [2018-06-22 16:03:01,526 WARN ]: Spent 1.33 s on a formula simplification. DAG size of input: 398 DAG size of output: 12 [2018-06-22 16:03:03,899 WARN ]: Spent 2.06 s on a formula simplification. DAG size of input: 263 DAG size of output: 12 [2018-06-22 16:03:04,045 INFO ]: Checked inductivity of 210 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-06-22 16:03:04,045 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 16:03:04,045 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 16:03:04,052 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 16:03:04,276 INFO ]: Conjunction of SSA is unsat [2018-06-22 16:03:04,294 INFO ]: Computing forward predicates... [2018-06-22 16:03:04,878 WARN ]: Spent 237.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-06-22 16:03:05,819 INFO ]: Checked inductivity of 210 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-06-22 16:03:05,840 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 16:03:05,840 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2018-06-22 16:03:05,841 INFO ]: Interpolant automaton has 44 states [2018-06-22 16:03:05,841 INFO ]: Constructing interpolant automaton starting with 44 interpolants. [2018-06-22 16:03:05,841 INFO ]: CoverageRelationStatistics Valid=152, Invalid=1740, Unknown=0, NotChecked=0, Total=1892 [2018-06-22 16:03:05,841 INFO ]: Start difference. First operand 31 states and 32 transitions. Second operand 44 states. [2018-06-22 16:03:06,656 WARN ]: Spent 663.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2018-06-22 16:03:07,234 WARN ]: Spent 514.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 108 Received shutdown request... [2018-06-22 16:03:07,357 WARN ]: Removed 2 from assertion stack [2018-06-22 16:03:07,358 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 16:03:07,358 WARN ]: Verification canceled [2018-06-22 16:03:07,361 WARN ]: Timeout [2018-06-22 16:03:07,362 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:03:07 BoogieIcfgContainer [2018-06-22 16:03:07,362 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 16:03:07,362 INFO ]: Toolchain (without parser) took 60228.51 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 907.0 MB). Free memory was 249.9 MB in the beginning and 320.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 836.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:03:07,363 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 301.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 16:03:07,363 INFO ]: ChcToBoogie took 51.13 ms. Allocated memory is still 301.5 MB. Free memory was 249.9 MB in the beginning and 247.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:03:07,364 INFO ]: Boogie Preprocessor took 57.69 ms. Allocated memory is still 301.5 MB. Free memory was 247.8 MB in the beginning and 245.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:03:07,364 INFO ]: RCFGBuilder took 352.94 ms. Allocated memory is still 301.5 MB. Free memory was 245.9 MB in the beginning and 229.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 16:03:07,364 INFO ]: TraceAbstraction took 59753.42 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 907.0 MB). Free memory was 229.8 MB in the beginning and 320.9 MB in the end (delta: -91.1 MB). Peak memory consumption was 815.9 MB. Max. memory is 3.6 GB. [2018-06-22 16:03:07,371 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 301.5 MB. Free memory is still 267.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 51.13 ms. Allocated memory is still 301.5 MB. Free memory was 249.9 MB in the beginning and 247.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.69 ms. Allocated memory is still 301.5 MB. Free memory was 247.8 MB in the beginning and 245.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 352.94 ms. Allocated memory is still 301.5 MB. Free memory was 245.9 MB in the beginning and 229.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 59753.42 ms. Allocated memory was 301.5 MB in the beginning and 1.2 GB in the end (delta: 907.0 MB). Free memory was 229.8 MB in the beginning and 320.9 MB in the end (delta: -91.1 MB). Peak memory consumption was 815.9 MB. 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 constructing difference of abstraction (31states) and interpolant automaton (currently 6 states, 44 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 197. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 59.6s OverallTime, 8 OverallIterations, 11 TraceHistogramMax, 17.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 87 SDtfs, 416 SDslu, 760 SDs, 0 SdLazy, 637 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 46.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=7, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 39.7s InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 186984 SizeOfPredicates, 338 NumberOfNonLiveVariables, 5531 ConjunctsInSsa, 426 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 311/1150 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/car_6_e3_294_e5_979.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_16-03-07-381.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/car_6_e3_294_e5_979.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_16-03-07-381.csv Completed graceful shutdown