java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 09:22:05,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 09:22:05,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 09:22:05,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-04 09:22:05,600 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-04 09:22:05,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 09:22:05,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 09:22:05,624 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 09:22:05,624 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 09:22:05,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 09:22:05,625 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 09:22:05,625 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 09:22:05,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 09:22:05,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 09:22:05,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 09:22:05,626 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 09:22:05,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 09:22:05,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 09:22:05,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 09:22:05,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 09:22:05,627 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 09:22:05,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 09:22:05,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:22:05,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 09:22:05,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 09:22:05,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 09:22:05,629 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 09:22:05,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 09:22:05,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 09:22:05,629 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 09:22:05,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 09:22:05,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 09:22:05,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 09:22:05,695 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 09:22:05,696 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 09:22:05,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-10-04 09:22:05,697 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-10-04 09:22:05,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 09:22:05,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 09:22:05,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 09:22:05,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 09:22:05,778 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 09:22:05,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 09:22:05,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 09:22:05,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 09:22:05,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 09:22:05,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... [2018-10-04 09:22:05,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 09:22:05,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 09:22:05,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 09:22:05,871 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 09:22:05,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:22:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 09:22:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 09:22:06,655 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 09:22:06,656 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:22:06 BoogieIcfgContainer [2018-10-04 09:22:06,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 09:22:06,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 09:22:06,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 09:22:06,660 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 09:22:06,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:05" (1/2) ... [2018-10-04 09:22:06,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9973b1 and model type s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 09:22:06, skipping insertion in model container [2018-10-04 09:22:06,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:22:06" (2/2) ... [2018-10-04 09:22:06,663 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil.c_21.bpl [2018-10-04 09:22:06,673 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 09:22:06,683 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 09:22:06,729 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 09:22:06,730 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 09:22:06,730 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 09:22:06,730 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 09:22:06,730 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 09:22:06,730 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 09:22:06,731 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 09:22:06,731 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 09:22:06,731 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 09:22:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-10-04 09:22:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 09:22:06,753 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:06,754 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:06,755 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:06,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:06,761 INFO L82 PathProgramCache]: Analyzing trace with hash 2097985007, now seen corresponding path program 1 times [2018-10-04 09:22:06,764 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:06,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:06,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:06,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:06,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:22:06,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:06,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 09:22:06,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:06,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:06,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:06,980 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2018-10-04 09:22:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:07,193 INFO L93 Difference]: Finished difference Result 49 states and 80 transitions. [2018-10-04 09:22:07,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:07,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-04 09:22:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:07,210 INFO L225 Difference]: With dead ends: 49 [2018-10-04 09:22:07,210 INFO L226 Difference]: Without dead ends: 26 [2018-10-04 09:22:07,216 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-04 09:22:07,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-10-04 09:22:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-04 09:22:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2018-10-04 09:22:07,253 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 10 [2018-10-04 09:22:07,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:07,253 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2018-10-04 09:22:07,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-10-04 09:22:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 09:22:07,254 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:07,254 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:07,255 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:07,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:07,255 INFO L82 PathProgramCache]: Analyzing trace with hash -509365433, now seen corresponding path program 1 times [2018-10-04 09:22:07,255 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:07,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:07,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:07,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:22:07,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:07,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:07,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:07,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:07,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:07,388 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2018-10-04 09:22:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:07,508 INFO L93 Difference]: Finished difference Result 53 states and 83 transitions. [2018-10-04 09:22:07,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:07,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-04 09:22:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:07,511 INFO L225 Difference]: With dead ends: 53 [2018-10-04 09:22:07,511 INFO L226 Difference]: Without dead ends: 30 [2018-10-04 09:22:07,513 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:07,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-04 09:22:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-10-04 09:22:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-04 09:22:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-10-04 09:22:07,521 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 13 [2018-10-04 09:22:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:07,521 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-10-04 09:22:07,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-10-04 09:22:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 09:22:07,522 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:07,523 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:07,523 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:07,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:07,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1912029775, now seen corresponding path program 1 times [2018-10-04 09:22:07,524 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:07,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:07,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:07,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 09:22:07,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:07,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:07,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:07,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:07,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:07,601 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 3 states. [2018-10-04 09:22:07,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:07,858 INFO L93 Difference]: Finished difference Result 62 states and 93 transitions. [2018-10-04 09:22:07,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:07,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-04 09:22:07,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:07,860 INFO L225 Difference]: With dead ends: 62 [2018-10-04 09:22:07,860 INFO L226 Difference]: Without dead ends: 35 [2018-10-04 09:22:07,861 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-04 09:22:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-04 09:22:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-04 09:22:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-10-04 09:22:07,871 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-10-04 09:22:07,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:07,872 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-10-04 09:22:07,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-10-04 09:22:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 09:22:07,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:07,875 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:07,878 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:07,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:07,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1719277757, now seen corresponding path program 1 times [2018-10-04 09:22:07,879 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:07,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:07,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:07,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 09:22:08,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:08,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:08,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:08,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:08,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,020 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2018-10-04 09:22:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:08,188 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2018-10-04 09:22:08,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:08,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-10-04 09:22:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:08,190 INFO L225 Difference]: With dead ends: 73 [2018-10-04 09:22:08,191 INFO L226 Difference]: Without dead ends: 41 [2018-10-04 09:22:08,192 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-04 09:22:08,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-04 09:22:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-04 09:22:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-10-04 09:22:08,200 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 26 [2018-10-04 09:22:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:08,201 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-10-04 09:22:08,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-10-04 09:22:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 09:22:08,202 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:08,202 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:08,203 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:08,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:08,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1612801811, now seen corresponding path program 1 times [2018-10-04 09:22:08,203 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:08,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:08,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:08,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-04 09:22:08,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:08,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:08,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:08,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:08,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,267 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 3 states. [2018-10-04 09:22:08,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:08,399 INFO L93 Difference]: Finished difference Result 86 states and 119 transitions. [2018-10-04 09:22:08,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:08,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-10-04 09:22:08,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:08,401 INFO L225 Difference]: With dead ends: 86 [2018-10-04 09:22:08,401 INFO L226 Difference]: Without dead ends: 48 [2018-10-04 09:22:08,402 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-04 09:22:08,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-10-04 09:22:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-04 09:22:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2018-10-04 09:22:08,411 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 34 [2018-10-04 09:22:08,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:08,412 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2018-10-04 09:22:08,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2018-10-04 09:22:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 09:22:08,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:08,413 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:08,414 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:08,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:08,414 INFO L82 PathProgramCache]: Analyzing trace with hash -168763707, now seen corresponding path program 1 times [2018-10-04 09:22:08,414 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:08,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:08,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:08,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-04 09:22:08,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:08,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:08,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:08,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:08,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,529 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 3 states. [2018-10-04 09:22:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:08,675 INFO L93 Difference]: Finished difference Result 136 states and 179 transitions. [2018-10-04 09:22:08,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:08,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-04 09:22:08,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:08,678 INFO L225 Difference]: With dead ends: 136 [2018-10-04 09:22:08,678 INFO L226 Difference]: Without dead ends: 91 [2018-10-04 09:22:08,678 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-04 09:22:08,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-04 09:22:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-04 09:22:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2018-10-04 09:22:08,692 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 43 [2018-10-04 09:22:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:08,693 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2018-10-04 09:22:08,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2018-10-04 09:22:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 09:22:08,694 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:08,695 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:08,695 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:08,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash 253938119, now seen corresponding path program 1 times [2018-10-04 09:22:08,696 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:08,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:08,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:08,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-04 09:22:08,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:08,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:08,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:08,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:08,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,800 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 3 states. [2018-10-04 09:22:08,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:08,905 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2018-10-04 09:22:08,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:08,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-04 09:22:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:08,910 INFO L225 Difference]: With dead ends: 188 [2018-10-04 09:22:08,911 INFO L226 Difference]: Without dead ends: 100 [2018-10-04 09:22:08,912 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-04 09:22:08,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-04 09:22:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-04 09:22:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2018-10-04 09:22:08,925 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 43 [2018-10-04 09:22:08,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:08,925 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2018-10-04 09:22:08,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:08,926 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2018-10-04 09:22:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 09:22:08,927 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:08,927 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:08,928 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:08,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:08,928 INFO L82 PathProgramCache]: Analyzing trace with hash -4227319, now seen corresponding path program 1 times [2018-10-04 09:22:08,928 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:08,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:08,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:08,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 09:22:09,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:09,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:09,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:09,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:09,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:09,009 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand 3 states. [2018-10-04 09:22:09,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:09,246 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2018-10-04 09:22:09,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:09,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-10-04 09:22:09,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:09,248 INFO L225 Difference]: With dead ends: 139 [2018-10-04 09:22:09,249 INFO L226 Difference]: Without dead ends: 137 [2018-10-04 09:22:09,249 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-04 09:22:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2018-10-04 09:22:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-04 09:22:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions. [2018-10-04 09:22:09,268 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 43 [2018-10-04 09:22:09,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:09,269 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 171 transitions. [2018-10-04 09:22:09,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2018-10-04 09:22:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 09:22:09,271 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:09,271 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:09,272 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:09,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:09,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1562207431, now seen corresponding path program 1 times [2018-10-04 09:22:09,272 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:09,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:09,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:09,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:09,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-04 09:22:09,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:09,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:09,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:09,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:09,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:09,392 INFO L87 Difference]: Start difference. First operand 132 states and 171 transitions. Second operand 3 states. [2018-10-04 09:22:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:09,610 INFO L93 Difference]: Finished difference Result 297 states and 405 transitions. [2018-10-04 09:22:09,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:09,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-10-04 09:22:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:09,613 INFO L225 Difference]: With dead ends: 297 [2018-10-04 09:22:09,613 INFO L226 Difference]: Without dead ends: 168 [2018-10-04 09:22:09,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:09,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-10-04 09:22:09,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-10-04 09:22:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-10-04 09:22:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2018-10-04 09:22:09,650 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 73 [2018-10-04 09:22:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:09,650 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2018-10-04 09:22:09,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2018-10-04 09:22:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 09:22:09,652 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:09,652 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:09,653 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:09,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:09,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1926453931, now seen corresponding path program 2 times [2018-10-04 09:22:09,653 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:09,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:09,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:09,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:09,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-04 09:22:09,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:09,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:09,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:09,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:09,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:09,754 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand 3 states. [2018-10-04 09:22:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:10,339 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2018-10-04 09:22:10,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:10,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2018-10-04 09:22:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:10,341 INFO L225 Difference]: With dead ends: 405 [2018-10-04 09:22:10,341 INFO L226 Difference]: Without dead ends: 228 [2018-10-04 09:22:10,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:10,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-10-04 09:22:10,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-10-04 09:22:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-10-04 09:22:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-10-04 09:22:10,365 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 76 [2018-10-04 09:22:10,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:10,366 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-10-04 09:22:10,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-10-04 09:22:10,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 09:22:10,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:10,368 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:10,369 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:10,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:10,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1254900833, now seen corresponding path program 1 times [2018-10-04 09:22:10,369 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:10,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:10,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:10,370 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 09:22:10,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:10,468 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-04 09:22:10,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:10,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:10,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:10,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:10,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:10,470 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2018-10-04 09:22:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:10,881 INFO L93 Difference]: Finished difference Result 489 states and 642 transitions. [2018-10-04 09:22:10,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:10,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-10-04 09:22:10,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:10,884 INFO L225 Difference]: With dead ends: 489 [2018-10-04 09:22:10,884 INFO L226 Difference]: Without dead ends: 255 [2018-10-04 09:22:10,885 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-10-04 09:22:10,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-10-04 09:22:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-10-04 09:22:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 327 transitions. [2018-10-04 09:22:10,913 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 327 transitions. Word has length 85 [2018-10-04 09:22:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:10,914 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 327 transitions. [2018-10-04 09:22:10,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 327 transitions. [2018-10-04 09:22:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 09:22:10,923 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:10,923 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 11, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:10,923 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:10,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:10,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1359801879, now seen corresponding path program 1 times [2018-10-04 09:22:10,924 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:10,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:10,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:10,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:10,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-04 09:22:11,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:11,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:11,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:11,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:11,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:11,027 INFO L87 Difference]: Start difference. First operand 255 states and 327 transitions. Second operand 3 states. [2018-10-04 09:22:11,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:11,446 INFO L93 Difference]: Finished difference Result 543 states and 702 transitions. [2018-10-04 09:22:11,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:11,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-10-04 09:22:11,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:11,448 INFO L225 Difference]: With dead ends: 543 [2018-10-04 09:22:11,448 INFO L226 Difference]: Without dead ends: 285 [2018-10-04 09:22:11,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-10-04 09:22:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-10-04 09:22:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-10-04 09:22:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 363 transitions. [2018-10-04 09:22:11,475 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 363 transitions. Word has length 94 [2018-10-04 09:22:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:11,475 INFO L480 AbstractCegarLoop]: Abstraction has 285 states and 363 transitions. [2018-10-04 09:22:11,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 363 transitions. [2018-10-04 09:22:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 09:22:11,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:11,477 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 12, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:11,477 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:11,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:11,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1195726822, now seen corresponding path program 1 times [2018-10-04 09:22:11,478 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:11,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:11,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:11,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:11,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-04 09:22:11,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:11,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:11,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:11,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:11,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:11,595 INFO L87 Difference]: Start difference. First operand 285 states and 363 transitions. Second operand 3 states. [2018-10-04 09:22:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:11,847 INFO L93 Difference]: Finished difference Result 603 states and 774 transitions. [2018-10-04 09:22:11,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:11,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-10-04 09:22:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:11,850 INFO L225 Difference]: With dead ends: 603 [2018-10-04 09:22:11,850 INFO L226 Difference]: Without dead ends: 318 [2018-10-04 09:22:11,851 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-04 09:22:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-04 09:22:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-04 09:22:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2018-10-04 09:22:11,877 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 104 [2018-10-04 09:22:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:11,877 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2018-10-04 09:22:11,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2018-10-04 09:22:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-04 09:22:11,879 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:11,879 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 13, 11, 9, 7, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:11,879 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:11,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:11,880 INFO L82 PathProgramCache]: Analyzing trace with hash -32649186, now seen corresponding path program 1 times [2018-10-04 09:22:11,880 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:11,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:11,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:11,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:11,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-04 09:22:11,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:11,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:11,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:11,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:11,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:11,993 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand 3 states. [2018-10-04 09:22:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:12,643 INFO L93 Difference]: Finished difference Result 633 states and 807 transitions. [2018-10-04 09:22:12,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:12,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-10-04 09:22:12,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:12,646 INFO L225 Difference]: With dead ends: 633 [2018-10-04 09:22:12,646 INFO L226 Difference]: Without dead ends: 318 [2018-10-04 09:22:12,647 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-04 09:22:12,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-04 09:22:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-04 09:22:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2018-10-04 09:22:12,673 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 115 [2018-10-04 09:22:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:12,673 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2018-10-04 09:22:12,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2018-10-04 09:22:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 09:22:12,675 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:12,675 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 14, 12, 10, 8, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:12,676 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:12,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:12,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1066373693, now seen corresponding path program 1 times [2018-10-04 09:22:12,676 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:12,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:12,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:12,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:12,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-04 09:22:12,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:12,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:12,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 09:22:12,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 09:22:12,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:12,821 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand 3 states. [2018-10-04 09:22:13,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:13,361 INFO L93 Difference]: Finished difference Result 633 states and 801 transitions. [2018-10-04 09:22:13,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 09:22:13,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-10-04 09:22:13,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:13,364 INFO L225 Difference]: With dead ends: 633 [2018-10-04 09:22:13,364 INFO L226 Difference]: Without dead ends: 318 [2018-10-04 09:22:13,365 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-04 09:22:13,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-10-04 09:22:13,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-10-04 09:22:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-10-04 09:22:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 387 transitions. [2018-10-04 09:22:13,386 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 387 transitions. Word has length 124 [2018-10-04 09:22:13,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:13,386 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 387 transitions. [2018-10-04 09:22:13,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 09:22:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 387 transitions. [2018-10-04 09:22:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 09:22:13,388 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:13,388 INFO L375 BasicCegarLoop]: trace histogram [16, 15, 15, 13, 11, 9, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:13,389 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:13,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:13,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1427413192, now seen corresponding path program 1 times [2018-10-04 09:22:13,389 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:13,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:13,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:13,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:13,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-04 09:22:13,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:22:13,528 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 09:22:13,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:13,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:22:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-10-04 09:22:13,728 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:22:13,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-04 09:22:13,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 09:22:13,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 09:22:13,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 09:22:13,730 INFO L87 Difference]: Start difference. First operand 318 states and 387 transitions. Second operand 4 states. [2018-10-04 09:22:14,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:14,697 INFO L93 Difference]: Finished difference Result 757 states and 914 transitions. [2018-10-04 09:22:14,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 09:22:14,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-10-04 09:22:14,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:14,699 INFO L225 Difference]: With dead ends: 757 [2018-10-04 09:22:14,699 INFO L226 Difference]: Without dead ends: 415 [2018-10-04 09:22:14,700 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 09:22:14,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-10-04 09:22:14,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 255. [2018-10-04 09:22:14,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-10-04 09:22:14,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 291 transitions. [2018-10-04 09:22:14,736 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 291 transitions. Word has length 136 [2018-10-04 09:22:14,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:14,736 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 291 transitions. [2018-10-04 09:22:14,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 09:22:14,737 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 291 transitions. [2018-10-04 09:22:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-04 09:22:14,740 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:14,740 INFO L375 BasicCegarLoop]: trace histogram [17, 16, 15, 13, 11, 9, 7, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:14,740 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:14,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:14,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2065701642, now seen corresponding path program 2 times [2018-10-04 09:22:14,741 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:14,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:14,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:14,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:14,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-10-04 09:22:14,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:22:14,866 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/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 [2018-10-04 09:22:14,881 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-04 09:22:14,985 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-04 09:22:14,985 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-04 09:22:14,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:22:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-10-04 09:22:15,038 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:22:15,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-04 09:22:15,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 09:22:15,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 09:22:15,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 09:22:15,040 INFO L87 Difference]: Start difference. First operand 255 states and 291 transitions. Second operand 4 states. [2018-10-04 09:22:15,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:15,799 INFO L93 Difference]: Finished difference Result 429 states and 487 transitions. [2018-10-04 09:22:15,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 09:22:15,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-10-04 09:22:15,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:15,800 INFO L225 Difference]: With dead ends: 429 [2018-10-04 09:22:15,801 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 09:22:15,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 09:22:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 09:22:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 09:22:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 09:22:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 09:22:15,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2018-10-04 09:22:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:15,802 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 09:22:15,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 09:22:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 09:22:15,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 09:22:15,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 09:22:15,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:15,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 09:22:16,325 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2018-10-04 09:22:17,864 WARN L178 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-10-04 09:22:17,969 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-10-04 09:22:18,213 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-10-04 09:22:18,360 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2018-10-04 09:22:18,605 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-10-04 09:22:18,828 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2018-10-04 09:22:19,129 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-04 09:22:19,493 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-10-04 09:22:19,654 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-10-04 09:22:19,674 INFO L421 ceAbstractionStarter]: At program point L415(lines 415 432) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4432) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) [2018-10-04 09:22:19,674 INFO L421 ceAbstractionStarter]: At program point L382(lines 373 395) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400))) (or (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)))) [2018-10-04 09:22:19,675 INFO L421 ceAbstractionStarter]: At program point L407(lines 404 420) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4416)) [2018-10-04 09:22:19,675 INFO L421 ceAbstractionStarter]: At program point L300(lines 261 300) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse3 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse4 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 12292)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) .cse3 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse4))) [2018-10-04 09:22:19,676 INFO L421 ceAbstractionStarter]: At program point L296(lines 296 310) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-04 09:22:19,676 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 526) no Hoare annotation was computed. [2018-10-04 09:22:19,676 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 526) no Hoare annotation was computed. [2018-10-04 09:22:19,676 INFO L421 ceAbstractionStarter]: At program point L313(lines 313 333) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-04 09:22:19,676 INFO L421 ceAbstractionStarter]: At program point L309(lines 309 320) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) [2018-10-04 09:22:19,677 INFO L421 ceAbstractionStarter]: At program point L499(lines 499 516) the Hoare annotation is: (let ((.cse1 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse1) (and .cse0 .cse1 .cse2))) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4512)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse2))) [2018-10-04 09:22:19,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 459) no Hoare annotation was computed. [2018-10-04 09:22:19,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 526) no Hoare annotation was computed. [2018-10-04 09:22:19,677 INFO L421 ceAbstractionStarter]: At program point L351(lines 348 362) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) [2018-10-04 09:22:19,677 INFO L421 ceAbstractionStarter]: At program point L479(lines 479 496) the Hoare annotation is: (let ((.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4480)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1))) [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L525(lines 289 525) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse2) (and .cse3 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse3))) [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L336(lines 336 358) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 .cse2))) [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L431(lines 431 458) the Hoare annotation is: false [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L332(lines 332 349) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L460(lines 457 474) the Hoare annotation is: (let ((.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1) (and .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4448)))) [2018-10-04 09:22:19,678 INFO L421 ceAbstractionStarter]: At program point L266(lines 266 290) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560)) (.cse3 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse2 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2)) (.cse4 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 12292)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4560) .cse3 .cse2) (and .cse0 .cse3 .cse2) (and .cse4 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 .cse4))) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L394(lines 394 416) the Hoare annotation is: (let ((.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse0))) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L361(lines 361 391) the Hoare annotation is: (let ((.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4)) (.cse1 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse1))) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L390(lines 390 405) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4416))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) .cse0))) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L357(lines 357 374) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L324(lines 319 337) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368)) [2018-10-04 09:22:19,679 INFO L421 ceAbstractionStarter]: At program point L419(lines 419 450) the Hoare annotation is: (let ((.cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)) (.cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4))) (or (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4528) (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) .cse0) (and (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4 4560) .cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and (<= ULTIMATE.start_ssl3_connect_~s__state~4 4432) .cse0) (and (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~4) .cse1))) [2018-10-04 09:22:19,700 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 09:22:19 BoogieIcfgContainer [2018-10-04 09:22:19,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 09:22:19,701 INFO L168 Benchmark]: Toolchain (without parser) took 13924.52 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 29.9 MB). Free memory was 1.5 GB in the beginning and 917.6 MB in the end (delta: 554.9 MB). Peak memory consumption was 584.7 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:19,703 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:22:19,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:22:19,704 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 09:22:19,707 INFO L168 Benchmark]: RCFGBuilder took 785.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:19,708 INFO L168 Benchmark]: TraceAbstraction took 13043.15 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 29.9 MB). Free memory was 1.4 GB in the beginning and 917.6 MB in the end (delta: 523.2 MB). Peak memory consumption was 553.0 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:19,715 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 785.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13043.15 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 29.9 MB). Free memory was 1.4 GB in the beginning and 917.6 MB in the end (delta: 523.2 MB). Peak memory consumption was 553.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 459]: 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 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 <= 4432 && 4432 <= ssl3_connect_~s__state~4)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4416 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4448) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: (ssl3_connect_~s__state~4 <= 4432 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4480)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 12292)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~blastFlag~4 <= 2 && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4400 && ssl3_connect_~blastFlag~4 == 3) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || ((ssl3_connect_~s__state~4 <= 4528 && 4432 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (4432 <= ssl3_connect_~s__state~4 && ssl3_connect_~s__state~4 <= 4512)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 12292)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4368)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && ssl3_connect_~s__state~4 <= 4560) && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || ((ssl3_connect_~blastFlag~4 <= 2 && 4560 <= ssl3_connect_~s__state~4) && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((((((ssl3_connect_~s__state~4 <= 4528 && ssl3_connect_~blastFlag~4 <= 4) && 4432 <= ssl3_connect_~s__state~4) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400)) || ((ssl3_connect_~s__s3__tmp__next_state___0~4 <= 4560 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || (4560 <= ssl3_connect_~s__state~4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4)) || (ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4416) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 2 && ssl3_connect_~s__state~4 == 4400 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: false - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. SAFE Result, 12.9s OverallTime, 17 OverallIterations, 17 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 240 SDslu, 220 SDs, 0 SdLazy, 533 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=318occurred in iteration=13, 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: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 165 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 253 NumberOfFragments, 713 HoareAnnotationTreeSize, 22 FomulaSimplifications, 6566 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1150 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1433 ConstructedInterpolants, 0 QuantifiedInterpolants, 173573 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1255 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 5594/5608 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_2.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_09-22-19-737.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_2.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_09-22-19-737.csv Received shutdown request...