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_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/HOLA/22.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:00:27,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:00:27,590 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:00:27,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:00:27,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:00:27,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:00:27,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:00:27,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:00:27,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:00:27,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:00:27,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:00:27,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:00:27,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:00:27,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:00:27,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:00:27,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:00:27,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:00:27,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:00:27,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:00:27,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:00:27,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:00:27,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:00:27,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:00:27,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:00:27,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:00:27,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:00:27,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:00:27,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:00:27,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:00:27,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:00:27,633 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:00:27,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:00:27,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:00:27,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:00:27,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:00:27,636 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:00:27,649 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:00:27,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:00:27,650 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:00:27,650 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:00:27,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:00:27,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:00:27,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:00:27,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:00:27,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:00:27,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:00:27,652 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:00:27,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:00:27,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:00:27,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:00:27,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:00:27,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:00:27,653 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:00:27,655 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:00:27,655 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:00:27,698 INFO ]: Repository-Root is: /tmp [2018-06-22 01:00:27,713 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:00:27,718 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:00:27,720 INFO ]: Initializing SmtParser... [2018-06-22 01:00:27,720 INFO ]: SmtParser initialized [2018-06-22 01:00:27,721 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/22.c.smt2 [2018-06-22 01:00:27,722 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 01:00:27,814 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/22.c.smt2 unknown [2018-06-22 01:00:28,266 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/22.c.smt2 [2018-06-22 01:00:28,271 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:00:28,283 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:00:28,284 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:00:28,284 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:00:28,284 INFO ]: ChcToBoogie initialized [2018-06-22 01:00:28,287 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,379 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28 Unit [2018-06-22 01:00:28,380 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:00:28,380 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:00:28,380 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:00:28,380 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:00:28,401 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,401 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,413 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,413 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,437 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,439 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,441 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (1/1) ... [2018-06-22 01:00:28,444 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:00:28,444 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:00:28,444 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:00:28,444 INFO ]: RCFGBuilder initialized [2018-06-22 01:00:28,445 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (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 01:00:28,459 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:00:28,459 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:00:28,459 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:00:28,459 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:00:28,459 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:00:28,459 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 01:00:29,029 INFO ]: Using library mode [2018-06-22 01:00:29,029 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:00:29 BoogieIcfgContainer [2018-06-22 01:00:29,029 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:00:29,031 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:00:29,031 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:00:29,034 INFO ]: TraceAbstraction initialized [2018-06-22 01:00:29,035 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:00:28" (1/3) ... [2018-06-22 01:00:29,036 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:00:29, skipping insertion in model container [2018-06-22 01:00:29,036 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:00:28" (2/3) ... [2018-06-22 01:00:29,036 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:00:29, skipping insertion in model container [2018-06-22 01:00:29,036 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:00:29" (3/3) ... [2018-06-22 01:00:29,038 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:00:29,048 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:00:29,060 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:00:29,105 INFO ]: Using default assertion order modulation [2018-06-22 01:00:29,105 INFO ]: Interprodecural is true [2018-06-22 01:00:29,105 INFO ]: Hoare is false [2018-06-22 01:00:29,105 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:00:29,105 INFO ]: Backedges is TWOTRACK [2018-06-22 01:00:29,105 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:00:29,105 INFO ]: Difference is false [2018-06-22 01:00:29,105 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:00:29,105 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:00:29,123 INFO ]: Start isEmpty. Operand 35 states. [2018-06-22 01:00:29,141 INFO ]: Finished isEmpty. Found accepting run of length 20 [2018-06-22 01:00:29,141 INFO ]: Found error trace [2018-06-22 01:00:29,142 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:29,142 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:29,148 INFO ]: Analyzing trace with hash -854755599, now seen corresponding path program 1 times [2018-06-22 01:00:29,150 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:29,150 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:29,198 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:29,198 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:29,198 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:29,281 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:29,813 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:29,816 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:29,816 INFO ]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-06-22 01:00:29,818 INFO ]: Interpolant automaton has 13 states [2018-06-22 01:00:29,835 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 01:00:29,836 INFO ]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-06-22 01:00:29,837 INFO ]: Start difference. First operand 35 states. Second operand 13 states. [2018-06-22 01:00:31,050 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:31,050 INFO ]: Finished difference Result 73 states and 86 transitions. [2018-06-22 01:00:31,051 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 01:00:31,052 INFO ]: Start accepts. Automaton has 13 states. Word has length 19 [2018-06-22 01:00:31,052 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:31,062 INFO ]: With dead ends: 73 [2018-06-22 01:00:31,062 INFO ]: Without dead ends: 70 [2018-06-22 01:00:31,065 INFO ]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2018-06-22 01:00:31,082 INFO ]: Start minimizeSevpa. Operand 70 states. [2018-06-22 01:00:31,102 INFO ]: Finished minimizeSevpa. Reduced states from 70 to 41. [2018-06-22 01:00:31,103 INFO ]: Start removeUnreachable. Operand 41 states. [2018-06-22 01:00:31,104 INFO ]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2018-06-22 01:00:31,105 INFO ]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 19 [2018-06-22 01:00:31,106 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:31,107 INFO ]: Abstraction has 41 states and 47 transitions. [2018-06-22 01:00:31,107 INFO ]: Interpolant automaton has 13 states. [2018-06-22 01:00:31,107 INFO ]: Start isEmpty. Operand 41 states and 47 transitions. [2018-06-22 01:00:31,107 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 01:00:31,107 INFO ]: Found error trace [2018-06-22 01:00:31,107 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:31,108 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:31,108 INFO ]: Analyzing trace with hash 2061767560, now seen corresponding path program 1 times [2018-06-22 01:00:31,108 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:31,108 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:31,109 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:31,109 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:31,109 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:31,135 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:31,511 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:31,512 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:31,530 INFO ]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-06-22 01:00:31,532 INFO ]: Interpolant automaton has 15 states [2018-06-22 01:00:31,532 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-22 01:00:31,532 INFO ]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-06-22 01:00:31,532 INFO ]: Start difference. First operand 41 states and 47 transitions. Second operand 15 states. [2018-06-22 01:00:32,367 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:32,367 INFO ]: Finished difference Result 77 states and 90 transitions. [2018-06-22 01:00:32,369 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-06-22 01:00:32,369 INFO ]: Start accepts. Automaton has 15 states. Word has length 21 [2018-06-22 01:00:32,369 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:32,370 INFO ]: With dead ends: 77 [2018-06-22 01:00:32,370 INFO ]: Without dead ends: 74 [2018-06-22 01:00:32,371 INFO ]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=267, Invalid=603, Unknown=0, NotChecked=0, Total=870 [2018-06-22 01:00:32,371 INFO ]: Start minimizeSevpa. Operand 74 states. [2018-06-22 01:00:32,375 INFO ]: Finished minimizeSevpa. Reduced states from 74 to 37. [2018-06-22 01:00:32,375 INFO ]: Start removeUnreachable. Operand 37 states. [2018-06-22 01:00:32,376 INFO ]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-06-22 01:00:32,376 INFO ]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 21 [2018-06-22 01:00:32,376 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:32,376 INFO ]: Abstraction has 37 states and 43 transitions. [2018-06-22 01:00:32,376 INFO ]: Interpolant automaton has 15 states. [2018-06-22 01:00:32,376 INFO ]: Start isEmpty. Operand 37 states and 43 transitions. [2018-06-22 01:00:32,377 INFO ]: Finished isEmpty. Found accepting run of length 28 [2018-06-22 01:00:32,377 INFO ]: Found error trace [2018-06-22 01:00:32,377 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:32,377 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:32,377 INFO ]: Analyzing trace with hash -462661099, now seen corresponding path program 1 times [2018-06-22 01:00:32,377 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:32,377 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:32,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:32,378 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:32,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:32,406 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:32,504 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:32,505 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:32,505 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 01:00:32,505 INFO ]: Interpolant automaton has 10 states [2018-06-22 01:00:32,505 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 01:00:32,505 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 01:00:32,505 INFO ]: Start difference. First operand 37 states and 43 transitions. Second operand 10 states. [2018-06-22 01:00:32,783 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:32,783 INFO ]: Finished difference Result 90 states and 107 transitions. [2018-06-22 01:00:32,783 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 01:00:32,783 INFO ]: Start accepts. Automaton has 10 states. Word has length 27 [2018-06-22 01:00:32,784 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:32,785 INFO ]: With dead ends: 90 [2018-06-22 01:00:32,785 INFO ]: Without dead ends: 89 [2018-06-22 01:00:32,786 INFO ]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2018-06-22 01:00:32,786 INFO ]: Start minimizeSevpa. Operand 89 states. [2018-06-22 01:00:32,792 INFO ]: Finished minimizeSevpa. Reduced states from 89 to 40. [2018-06-22 01:00:32,792 INFO ]: Start removeUnreachable. Operand 40 states. [2018-06-22 01:00:32,793 INFO ]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2018-06-22 01:00:32,793 INFO ]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 27 [2018-06-22 01:00:32,793 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:32,793 INFO ]: Abstraction has 40 states and 48 transitions. [2018-06-22 01:00:32,793 INFO ]: Interpolant automaton has 10 states. [2018-06-22 01:00:32,793 INFO ]: Start isEmpty. Operand 40 states and 48 transitions. [2018-06-22 01:00:32,794 INFO ]: Finished isEmpty. Found accepting run of length 28 [2018-06-22 01:00:32,794 INFO ]: Found error trace [2018-06-22 01:00:32,794 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:32,794 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:32,794 INFO ]: Analyzing trace with hash -791301675, now seen corresponding path program 1 times [2018-06-22 01:00:32,794 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:32,794 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:32,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:32,795 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:32,795 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:32,838 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:33,019 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:33,019 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:33,019 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 01:00:33,019 INFO ]: Interpolant automaton has 10 states [2018-06-22 01:00:33,019 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 01:00:33,019 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 01:00:33,020 INFO ]: Start difference. First operand 40 states and 48 transitions. Second operand 10 states. [2018-06-22 01:00:33,160 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:33,160 INFO ]: Finished difference Result 57 states and 66 transitions. [2018-06-22 01:00:33,161 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 01:00:33,161 INFO ]: Start accepts. Automaton has 10 states. Word has length 27 [2018-06-22 01:00:33,161 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:33,161 INFO ]: With dead ends: 57 [2018-06-22 01:00:33,161 INFO ]: Without dead ends: 54 [2018-06-22 01:00:33,162 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-06-22 01:00:33,162 INFO ]: Start minimizeSevpa. Operand 54 states. [2018-06-22 01:00:33,165 INFO ]: Finished minimizeSevpa. Reduced states from 54 to 38. [2018-06-22 01:00:33,165 INFO ]: Start removeUnreachable. Operand 38 states. [2018-06-22 01:00:33,166 INFO ]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-06-22 01:00:33,166 INFO ]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 27 [2018-06-22 01:00:33,166 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:33,166 INFO ]: Abstraction has 38 states and 45 transitions. [2018-06-22 01:00:33,166 INFO ]: Interpolant automaton has 10 states. [2018-06-22 01:00:33,166 INFO ]: Start isEmpty. Operand 38 states and 45 transitions. [2018-06-22 01:00:33,167 INFO ]: Finished isEmpty. Found accepting run of length 28 [2018-06-22 01:00:33,167 INFO ]: Found error trace [2018-06-22 01:00:33,167 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:33,167 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:33,167 INFO ]: Analyzing trace with hash 1541325269, now seen corresponding path program 1 times [2018-06-22 01:00:33,167 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:33,167 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:33,168 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:33,168 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:33,168 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:33,184 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:33,280 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:33,280 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:33,280 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 01:00:33,280 INFO ]: Interpolant automaton has 10 states [2018-06-22 01:00:33,280 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 01:00:33,280 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 01:00:33,280 INFO ]: Start difference. First operand 38 states and 45 transitions. Second operand 10 states. [2018-06-22 01:00:33,519 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:33,520 INFO ]: Finished difference Result 89 states and 105 transitions. [2018-06-22 01:00:33,527 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 01:00:33,527 INFO ]: Start accepts. Automaton has 10 states. Word has length 27 [2018-06-22 01:00:33,527 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:33,528 INFO ]: With dead ends: 89 [2018-06-22 01:00:33,528 INFO ]: Without dead ends: 88 [2018-06-22 01:00:33,529 INFO ]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2018-06-22 01:00:33,529 INFO ]: Start minimizeSevpa. Operand 88 states. [2018-06-22 01:00:33,532 INFO ]: Finished minimizeSevpa. Reduced states from 88 to 40. [2018-06-22 01:00:33,532 INFO ]: Start removeUnreachable. Operand 40 states. [2018-06-22 01:00:33,538 INFO ]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-06-22 01:00:33,538 INFO ]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 27 [2018-06-22 01:00:33,538 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:33,538 INFO ]: Abstraction has 40 states and 47 transitions. [2018-06-22 01:00:33,538 INFO ]: Interpolant automaton has 10 states. [2018-06-22 01:00:33,538 INFO ]: Start isEmpty. Operand 40 states and 47 transitions. [2018-06-22 01:00:33,539 INFO ]: Finished isEmpty. Found accepting run of length 28 [2018-06-22 01:00:33,539 INFO ]: Found error trace [2018-06-22 01:00:33,539 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:33,540 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:33,540 INFO ]: Analyzing trace with hash 1212684693, now seen corresponding path program 1 times [2018-06-22 01:00:33,540 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:33,540 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:33,541 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:33,541 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:33,541 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:33,557 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:33,676 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:33,676 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:33,676 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 01:00:33,676 INFO ]: Interpolant automaton has 10 states [2018-06-22 01:00:33,676 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 01:00:33,676 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 01:00:33,676 INFO ]: Start difference. First operand 40 states and 47 transitions. Second operand 10 states. [2018-06-22 01:00:34,012 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:34,012 INFO ]: Finished difference Result 56 states and 64 transitions. [2018-06-22 01:00:34,013 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 01:00:34,013 INFO ]: Start accepts. Automaton has 10 states. Word has length 27 [2018-06-22 01:00:34,013 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:34,013 INFO ]: With dead ends: 56 [2018-06-22 01:00:34,014 INFO ]: Without dead ends: 53 [2018-06-22 01:00:34,014 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-06-22 01:00:34,014 INFO ]: Start minimizeSevpa. Operand 53 states. [2018-06-22 01:00:34,017 INFO ]: Finished minimizeSevpa. Reduced states from 53 to 38. [2018-06-22 01:00:34,017 INFO ]: Start removeUnreachable. Operand 38 states. [2018-06-22 01:00:34,017 INFO ]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2018-06-22 01:00:34,018 INFO ]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 27 [2018-06-22 01:00:34,018 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:34,018 INFO ]: Abstraction has 38 states and 44 transitions. [2018-06-22 01:00:34,018 INFO ]: Interpolant automaton has 10 states. [2018-06-22 01:00:34,018 INFO ]: Start isEmpty. Operand 38 states and 44 transitions. [2018-06-22 01:00:34,018 INFO ]: Finished isEmpty. Found accepting run of length 29 [2018-06-22 01:00:34,018 INFO ]: Found error trace [2018-06-22 01:00:34,019 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:34,019 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:34,019 INFO ]: Analyzing trace with hash -942060055, now seen corresponding path program 1 times [2018-06-22 01:00:34,019 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:34,019 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:34,019 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:34,019 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:34,020 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:34,035 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:34,222 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:34,223 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:34,223 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 01:00:34,223 INFO ]: Interpolant automaton has 11 states [2018-06-22 01:00:34,223 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 01:00:34,223 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 01:00:34,223 INFO ]: Start difference. First operand 38 states and 44 transitions. Second operand 11 states. [2018-06-22 01:00:34,613 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:34,613 INFO ]: Finished difference Result 75 states and 88 transitions. [2018-06-22 01:00:34,613 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-06-22 01:00:34,613 INFO ]: Start accepts. Automaton has 11 states. Word has length 28 [2018-06-22 01:00:34,614 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:34,614 INFO ]: With dead ends: 75 [2018-06-22 01:00:34,615 INFO ]: Without dead ends: 74 [2018-06-22 01:00:34,616 INFO ]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2018-06-22 01:00:34,616 INFO ]: Start minimizeSevpa. Operand 74 states. [2018-06-22 01:00:34,619 INFO ]: Finished minimizeSevpa. Reduced states from 74 to 41. [2018-06-22 01:00:34,619 INFO ]: Start removeUnreachable. Operand 41 states. [2018-06-22 01:00:34,620 INFO ]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2018-06-22 01:00:34,620 INFO ]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 28 [2018-06-22 01:00:34,620 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:34,620 INFO ]: Abstraction has 41 states and 47 transitions. [2018-06-22 01:00:34,620 INFO ]: Interpolant automaton has 11 states. [2018-06-22 01:00:34,620 INFO ]: Start isEmpty. Operand 41 states and 47 transitions. [2018-06-22 01:00:34,621 INFO ]: Finished isEmpty. Found accepting run of length 29 [2018-06-22 01:00:34,621 INFO ]: Found error trace [2018-06-22 01:00:34,621 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:00:34,621 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:00:34,621 INFO ]: Analyzing trace with hash -1270700631, now seen corresponding path program 1 times [2018-06-22 01:00:34,621 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:00:34,621 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:00:34,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:34,622 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:00:34,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:00:34,636 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:00:34,810 INFO ]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:00:34,810 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:00:34,810 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 01:00:34,810 INFO ]: Interpolant automaton has 11 states [2018-06-22 01:00:34,810 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 01:00:34,811 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 01:00:34,811 INFO ]: Start difference. First operand 41 states and 47 transitions. Second operand 11 states. [2018-06-22 01:00:34,926 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:00:34,926 INFO ]: Finished difference Result 22 states and 24 transitions. [2018-06-22 01:00:34,926 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 01:00:34,926 INFO ]: Start accepts. Automaton has 11 states. Word has length 28 [2018-06-22 01:00:34,926 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:00:34,926 INFO ]: With dead ends: 22 [2018-06-22 01:00:34,926 INFO ]: Without dead ends: 0 [2018-06-22 01:00:34,927 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2018-06-22 01:00:34,927 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 01:00:34,927 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 01:00:34,927 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 01:00:34,927 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 01:00:34,927 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-06-22 01:00:34,927 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:00:34,927 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 01:00:34,927 INFO ]: Interpolant automaton has 11 states. [2018-06-22 01:00:34,927 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 01:00:34,927 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:00:34,932 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:00:34 BoogieIcfgContainer [2018-06-22 01:00:34,933 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:00:34,933 INFO ]: Toolchain (without parser) took 6662.16 ms. Allocated memory was 307.8 MB in the beginning and 388.0 MB in the end (delta: 80.2 MB). Free memory was 248.2 MB in the beginning and 239.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 3.6 GB. [2018-06-22 01:00:34,935 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:00:34,935 INFO ]: ChcToBoogie took 96.28 ms. Allocated memory is still 307.8 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:00:34,936 INFO ]: Boogie Preprocessor took 63.54 ms. Allocated memory is still 307.8 MB. Free memory was 246.2 MB in the beginning and 244.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:00:34,936 INFO ]: RCFGBuilder took 585.15 ms. Allocated memory is still 307.8 MB. Free memory was 244.2 MB in the beginning and 212.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:00:34,937 INFO ]: TraceAbstraction took 5901.54 ms. Allocated memory was 307.8 MB in the beginning and 388.0 MB in the end (delta: 80.2 MB). Free memory was 212.2 MB in the beginning and 239.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 53.2 MB. Max. memory is 3.6 GB. [2018-06-22 01:00:34,941 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 307.8 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.28 ms. Allocated memory is still 307.8 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 63.54 ms. Allocated memory is still 307.8 MB. Free memory was 246.2 MB in the beginning and 244.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 585.15 ms. Allocated memory is still 307.8 MB. Free memory was 244.2 MB in the beginning and 212.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 5901.54 ms. Allocated memory was 307.8 MB in the beginning and 388.0 MB in the end (delta: 80.2 MB). Free memory was 212.2 MB in the beginning and 239.2 MB in the end (delta: -27.0 MB). Peak memory consumption was 53.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 290 SDtfs, 1228 SDslu, 2673 SDs, 0 SdLazy, 566 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=1, 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, 8 MinimizatonAttempts, 227 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 11186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/22.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-00-34-950.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/22.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-00-34-950.csv Received shutdown request...