java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental.35.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:42:23,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:42:23,977 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:42:23,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:42:23,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:42:23,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:42:23,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:42:23,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:42:23,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:42:24,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:42:24,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:42:24,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:42:24,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:42:24,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:42:24,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:42:24,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:42:24,008 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:42:24,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:42:24,018 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:42:24,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:42:24,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:42:24,022 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:42:24,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:42:24,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:42:24,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:42:24,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:42:24,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:42:24,028 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:42:24,029 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:42:24,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:42:24,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:42:24,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:42:24,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:42:24,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:42:24,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:42:24,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 10:42:24,057 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:42:24,057 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:42:24,058 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:42:24,058 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:42:24,059 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:42:24,059 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:42:24,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:42:24,059 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:42:24,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:42:24,060 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:42:24,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:42:24,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:42:24,061 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:42:24,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:42:24,061 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:42:24,061 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:42:24,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:42:24,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:42:24,062 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:42:24,063 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:42:24,063 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:42:24,108 INFO ]: Repository-Root is: /tmp [2018-06-22 10:42:24,120 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:42:24,125 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:42:24,127 INFO ]: Initializing SmtParser... [2018-06-22 10:42:24,127 INFO ]: SmtParser initialized [2018-06-22 10:42:24,128 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental.35.smt2 [2018-06-22 10:42:24,130 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 10:42:24,227 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental.35.smt2 unknown [2018-06-22 10:42:25,003 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental.35.smt2 [2018-06-22 10:42:25,010 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:42:25,017 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:42:25,018 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:42:25,018 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:42:25,018 INFO ]: ChcToBoogie initialized [2018-06-22 10:42:25,021 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,165 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25 Unit [2018-06-22 10:42:25,165 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:42:25,165 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:42:25,165 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:42:25,165 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:42:25,187 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,187 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,212 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,212 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,242 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,246 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,255 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... [2018-06-22 10:42:25,264 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:42:25,265 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:42:25,265 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:42:25,265 INFO ]: RCFGBuilder initialized [2018-06-22 10:42:25,265 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 10:42:25,283 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:42:25,283 INFO ]: Found specification of procedure False [2018-06-22 10:42:25,283 INFO ]: Found implementation of procedure False [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure lturn [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure lturn [2018-06-22 10:42:25,284 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:42:25,284 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:42:25,284 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:42:27,170 INFO ]: Using library mode [2018-06-22 10:42:27,170 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:42:27 BoogieIcfgContainer [2018-06-22 10:42:27,170 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:42:27,171 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:42:27,171 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:42:27,174 INFO ]: TraceAbstraction initialized [2018-06-22 10:42:27,175 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:42:25" (1/3) ... [2018-06-22 10:42:27,176 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50770c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:42:27, skipping insertion in model container [2018-06-22 10:42:27,176 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:42:25" (2/3) ... [2018-06-22 10:42:27,176 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50770c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:42:27, skipping insertion in model container [2018-06-22 10:42:27,176 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:42:27" (3/3) ... [2018-06-22 10:42:27,178 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:42:27,187 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:42:27,199 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:42:27,240 INFO ]: Using default assertion order modulation [2018-06-22 10:42:27,241 INFO ]: Interprodecural is true [2018-06-22 10:42:27,241 INFO ]: Hoare is false [2018-06-22 10:42:27,241 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:42:27,241 INFO ]: Backedges is TWOTRACK [2018-06-22 10:42:27,241 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:42:27,241 INFO ]: Difference is false [2018-06-22 10:42:27,241 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:42:27,241 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:42:27,262 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:42:27,306 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:42:27,306 INFO ]: Found error trace [2018-06-22 10:42:27,307 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:27,307 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:27,313 INFO ]: Analyzing trace with hash -1362678346, now seen corresponding path program 1 times [2018-06-22 10:42:27,314 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:27,315 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:27,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:27,351 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:27,351 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:27,632 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:28,186 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:42:28,188 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:42:28,213 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:42:28,214 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:42:28,226 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:42:28,227 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:28,229 INFO ]: Start difference. First operand 162 states. Second operand 6 states. [2018-06-22 10:42:30,891 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:42:30,891 INFO ]: Finished difference Result 219 states and 606 transitions. [2018-06-22 10:42:30,891 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:42:30,892 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:42:30,893 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:42:30,920 INFO ]: With dead ends: 219 [2018-06-22 10:42:30,920 INFO ]: Without dead ends: 208 [2018-06-22 10:42:30,921 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:30,938 INFO ]: Start minimizeSevpa. Operand 208 states. [2018-06-22 10:42:31,133 INFO ]: Finished minimizeSevpa. Reduced states from 208 to 200. [2018-06-22 10:42:31,137 INFO ]: Start removeUnreachable. Operand 200 states. [2018-06-22 10:42:31,148 INFO ]: Finished removeUnreachable. Reduced from 200 states to 200 states and 569 transitions. [2018-06-22 10:42:31,149 INFO ]: Start accepts. Automaton has 200 states and 569 transitions. Word has length 17 [2018-06-22 10:42:31,150 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:42:31,150 INFO ]: Abstraction has 200 states and 569 transitions. [2018-06-22 10:42:31,151 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:42:31,151 INFO ]: Start isEmpty. Operand 200 states and 569 transitions. [2018-06-22 10:42:31,164 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:42:31,164 INFO ]: Found error trace [2018-06-22 10:42:31,164 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:31,164 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:31,164 INFO ]: Analyzing trace with hash -1256691340, now seen corresponding path program 1 times [2018-06-22 10:42:31,164 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:31,164 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:31,166 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:31,166 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:31,166 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:31,222 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:31,577 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:42:31,577 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:42:31,577 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 10:42:31,579 INFO ]: Interpolant automaton has 5 states [2018-06-22 10:42:31,579 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 10:42:31,579 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:42:31,579 INFO ]: Start difference. First operand 200 states and 569 transitions. Second operand 5 states. [2018-06-22 10:42:33,735 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:42:33,735 INFO ]: Finished difference Result 292 states and 1051 transitions. [2018-06-22 10:42:33,735 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 10:42:33,735 INFO ]: Start accepts. Automaton has 5 states. Word has length 17 [2018-06-22 10:42:33,736 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:42:33,747 INFO ]: With dead ends: 292 [2018-06-22 10:42:33,747 INFO ]: Without dead ends: 292 [2018-06-22 10:42:33,748 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:42:33,749 INFO ]: Start minimizeSevpa. Operand 292 states. [2018-06-22 10:42:33,862 INFO ]: Finished minimizeSevpa. Reduced states from 292 to 278. [2018-06-22 10:42:33,862 INFO ]: Start removeUnreachable. Operand 278 states. [2018-06-22 10:42:33,869 INFO ]: Finished removeUnreachable. Reduced from 278 states to 278 states and 1001 transitions. [2018-06-22 10:42:33,869 INFO ]: Start accepts. Automaton has 278 states and 1001 transitions. Word has length 17 [2018-06-22 10:42:33,869 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:42:33,869 INFO ]: Abstraction has 278 states and 1001 transitions. [2018-06-22 10:42:33,869 INFO ]: Interpolant automaton has 5 states. [2018-06-22 10:42:33,869 INFO ]: Start isEmpty. Operand 278 states and 1001 transitions. [2018-06-22 10:42:33,878 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:42:33,878 INFO ]: Found error trace [2018-06-22 10:42:33,879 INFO ]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:33,879 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:33,879 INFO ]: Analyzing trace with hash -2064398003, now seen corresponding path program 1 times [2018-06-22 10:42:33,879 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:33,879 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:33,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:33,880 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:33,880 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:33,918 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:34,354 INFO ]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-06-22 10:42:34,355 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:42:34,355 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:42:34,372 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:34,481 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:34,493 INFO ]: Computing forward predicates... [2018-06-22 10:42:34,805 INFO ]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:42:34,827 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:42:34,827 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2018-06-22 10:42:34,827 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:42:34,827 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:42:34,827 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:42:34,828 INFO ]: Start difference. First operand 278 states and 1001 transitions. Second operand 11 states. [2018-06-22 10:42:45,385 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:42:45,385 INFO ]: Finished difference Result 924 states and 8110 transitions. [2018-06-22 10:42:45,385 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-06-22 10:42:45,385 INFO ]: Start accepts. Automaton has 11 states. Word has length 21 [2018-06-22 10:42:45,385 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:42:45,474 INFO ]: With dead ends: 924 [2018-06-22 10:42:45,474 INFO ]: Without dead ends: 924 [2018-06-22 10:42:45,475 INFO ]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-06-22 10:42:45,476 INFO ]: Start minimizeSevpa. Operand 924 states. [2018-06-22 10:42:46,395 INFO ]: Finished minimizeSevpa. Reduced states from 924 to 701. [2018-06-22 10:42:46,395 INFO ]: Start removeUnreachable. Operand 701 states. [2018-06-22 10:42:46,430 INFO ]: Finished removeUnreachable. Reduced from 701 states to 701 states and 6171 transitions. [2018-06-22 10:42:46,430 INFO ]: Start accepts. Automaton has 701 states and 6171 transitions. Word has length 21 [2018-06-22 10:42:46,430 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:42:46,430 INFO ]: Abstraction has 701 states and 6171 transitions. [2018-06-22 10:42:46,430 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:42:46,431 INFO ]: Start isEmpty. Operand 701 states and 6171 transitions. [2018-06-22 10:42:46,441 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:42:46,442 INFO ]: Found error trace [2018-06-22 10:42:46,442 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:46,442 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:46,442 INFO ]: Analyzing trace with hash -1108673834, now seen corresponding path program 1 times [2018-06-22 10:42:46,442 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:46,442 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:46,444 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:46,444 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:46,444 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:46,514 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:46,986 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:42:46,986 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:42:46,986 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:42:46,988 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:42:46,988 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:42:46,988 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:46,988 INFO ]: Start difference. First operand 701 states and 6171 transitions. Second operand 6 states. [2018-06-22 10:42:48,678 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:42:48,678 INFO ]: Finished difference Result 838 states and 7365 transitions. [2018-06-22 10:42:48,678 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:42:48,678 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:42:48,678 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:42:48,762 INFO ]: With dead ends: 838 [2018-06-22 10:42:48,762 INFO ]: Without dead ends: 838 [2018-06-22 10:42:48,763 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:48,763 INFO ]: Start minimizeSevpa. Operand 838 states. [2018-06-22 10:42:49,560 INFO ]: Finished minimizeSevpa. Reduced states from 838 to 783. [2018-06-22 10:42:49,561 INFO ]: Start removeUnreachable. Operand 783 states. [2018-06-22 10:42:49,607 INFO ]: Finished removeUnreachable. Reduced from 783 states to 783 states and 6803 transitions. [2018-06-22 10:42:49,607 INFO ]: Start accepts. Automaton has 783 states and 6803 transitions. Word has length 17 [2018-06-22 10:42:49,608 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:42:49,608 INFO ]: Abstraction has 783 states and 6803 transitions. [2018-06-22 10:42:49,608 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:42:49,608 INFO ]: Start isEmpty. Operand 783 states and 6803 transitions. [2018-06-22 10:42:49,619 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:42:49,619 INFO ]: Found error trace [2018-06-22 10:42:49,620 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:49,620 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:49,620 INFO ]: Analyzing trace with hash -2008828426, now seen corresponding path program 1 times [2018-06-22 10:42:49,620 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:49,620 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:49,621 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:49,621 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:49,621 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:49,670 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:49,958 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:42:49,958 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:42:49,958 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:42:49,958 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:42:49,958 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:42:49,958 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:49,959 INFO ]: Start difference. First operand 783 states and 6803 transitions. Second operand 6 states. [2018-06-22 10:42:50,733 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:42:50,733 INFO ]: Finished difference Result 845 states and 8237 transitions. [2018-06-22 10:42:50,747 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:42:50,747 INFO ]: Start accepts. Automaton has 6 states. Word has length 21 [2018-06-22 10:42:50,747 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:42:50,788 INFO ]: With dead ends: 845 [2018-06-22 10:42:50,788 INFO ]: Without dead ends: 845 [2018-06-22 10:42:50,788 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:42:50,789 INFO ]: Start minimizeSevpa. Operand 845 states. [2018-06-22 10:42:51,644 INFO ]: Finished minimizeSevpa. Reduced states from 845 to 829. [2018-06-22 10:42:51,645 INFO ]: Start removeUnreachable. Operand 829 states. [2018-06-22 10:42:51,685 INFO ]: Finished removeUnreachable. Reduced from 829 states to 829 states and 8086 transitions. [2018-06-22 10:42:51,685 INFO ]: Start accepts. Automaton has 829 states and 8086 transitions. Word has length 21 [2018-06-22 10:42:51,686 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:42:51,686 INFO ]: Abstraction has 829 states and 8086 transitions. [2018-06-22 10:42:51,686 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:42:51,686 INFO ]: Start isEmpty. Operand 829 states and 8086 transitions. [2018-06-22 10:42:51,701 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:42:51,701 INFO ]: Found error trace [2018-06-22 10:42:51,701 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:42:51,701 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:42:51,702 INFO ]: Analyzing trace with hash -1518287121, now seen corresponding path program 1 times [2018-06-22 10:42:51,702 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:42:51,702 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:42:51,702 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:51,702 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:42:51,703 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:42:51,747 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:51,904 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:42:51,904 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:42:51,904 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 10:42:51,918 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:42:51,996 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:42:51,999 INFO ]: Computing forward predicates... [2018-06-22 10:42:52,344 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 10:42:52,373 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:42:52,373 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-06-22 10:42:52,373 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:42:52,374 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:42:52,374 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:42:52,374 INFO ]: Start difference. First operand 829 states and 8086 transitions. Second operand 12 states. [2018-06-22 10:43:02,521 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:02,521 INFO ]: Finished difference Result 2720 states and 54415 transitions. [2018-06-22 10:43:02,595 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:43:02,595 INFO ]: Start accepts. Automaton has 12 states. Word has length 21 [2018-06-22 10:43:02,595 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:03,075 INFO ]: With dead ends: 2720 [2018-06-22 10:43:03,075 INFO ]: Without dead ends: 2720 [2018-06-22 10:43:03,076 INFO ]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2018-06-22 10:43:03,077 INFO ]: Start minimizeSevpa. Operand 2720 states. [2018-06-22 10:43:07,397 INFO ]: Finished minimizeSevpa. Reduced states from 2720 to 2421. [2018-06-22 10:43:07,397 INFO ]: Start removeUnreachable. Operand 2421 states. [2018-06-22 10:43:07,726 INFO ]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 47960 transitions. [2018-06-22 10:43:07,727 INFO ]: Start accepts. Automaton has 2421 states and 47960 transitions. Word has length 21 [2018-06-22 10:43:07,747 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:43:07,747 INFO ]: Abstraction has 2421 states and 47960 transitions. [2018-06-22 10:43:07,747 INFO ]: Interpolant automaton has 12 states. [2018-06-22 10:43:07,747 INFO ]: Start isEmpty. Operand 2421 states and 47960 transitions. [2018-06-22 10:43:07,774 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:43:07,774 INFO ]: Found error trace [2018-06-22 10:43:07,774 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:43:07,774 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:43:07,776 INFO ]: Analyzing trace with hash 413664200, now seen corresponding path program 2 times [2018-06-22 10:43:07,776 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:43:07,776 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:43:07,777 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:07,777 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:43:07,777 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:43:07,827 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:07,976 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:43:07,976 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:43:07,976 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:43:07,985 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 10:43:08,072 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 10:43:08,072 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:43:08,076 INFO ]: Computing forward predicates... [2018-06-22 10:43:08,204 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:43:08,223 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:43:08,223 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-22 10:43:08,224 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:43:08,224 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:43:08,224 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:43:08,224 INFO ]: Start difference. First operand 2421 states and 47960 transitions. Second operand 14 states. [2018-06-22 10:43:12,546 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:43:12,546 INFO ]: Finished difference Result 4830 states and 135681 transitions. [2018-06-22 10:43:12,551 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 10:43:12,551 INFO ]: Start accepts. Automaton has 14 states. Word has length 25 [2018-06-22 10:43:12,551 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:43:15,338 INFO ]: With dead ends: 4830 [2018-06-22 10:43:15,338 INFO ]: Without dead ends: 4830 [2018-06-22 10:43:15,344 INFO ]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-06-22 10:43:15,346 INFO ]: Start minimizeSevpa. Operand 4830 states. Received shutdown request... [2018-06-22 10:43:24,895 WARN ]: Verification canceled [2018-06-22 10:43:24,900 WARN ]: Timeout [2018-06-22 10:43:24,901 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:43:24 BoogieIcfgContainer [2018-06-22 10:43:24,901 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:43:24,904 INFO ]: Toolchain (without parser) took 59892.82 ms. Allocated memory was 308.3 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 216.8 MB in the beginning and 708.3 MB in the end (delta: -491.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 10:43:24,905 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:43:24,905 INFO ]: ChcToBoogie took 147.45 ms. Allocated memory is still 308.3 MB. Free memory was 216.8 MB in the beginning and 211.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:43:24,905 INFO ]: Boogie Preprocessor took 98.80 ms. Allocated memory is still 308.3 MB. Free memory was 211.8 MB in the beginning and 208.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:43:24,906 INFO ]: RCFGBuilder took 1905.79 ms. Allocated memory was 308.3 MB in the beginning and 321.9 MB in the end (delta: 13.6 MB). Free memory was 208.7 MB in the beginning and 190.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 3.6 GB. [2018-06-22 10:43:24,906 INFO ]: TraceAbstraction took 57729.31 ms. Allocated memory was 321.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 190.0 MB in the beginning and 708.3 MB in the end (delta: -518.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:43:24,908 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 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 147.45 ms. Allocated memory is still 308.3 MB. Free memory was 216.8 MB in the beginning and 211.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 98.80 ms. Allocated memory is still 308.3 MB. Free memory was 211.8 MB in the beginning and 208.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1905.79 ms. Allocated memory was 308.3 MB in the beginning and 321.9 MB in the end (delta: 13.6 MB). Free memory was 208.7 MB in the beginning and 190.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 32.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 57729.31 ms. Allocated memory was 321.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 190.0 MB in the beginning and 708.3 MB in the end (delta: -518.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 57.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 35.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2798 SDtfs, 150 SDslu, 16358 SDs, 0 SdLazy, 28832 SolverSat, 2349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2421occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 17.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 615 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 10000 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2320 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 24/50 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/incremental.35.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-43-24-917.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/incremental.35.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-43-24-917.csv Completed graceful shutdown