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-b2fde6a [2018-09-28 10:09:37,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:09:37,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:09:37,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:09:37,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:09:37,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:09:37,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:09:37,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:09:37,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:09:37,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:09:37,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-28 10:09:37,181 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 [2018-09-28 10:09:37,197 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:09:37,197 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:09:37,198 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:09:37,198 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:09:37,199 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:09:37,199 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:09:37,199 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:09:37,199 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:09:37,199 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:09:37,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:09:37,200 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:09:37,200 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:09:37,200 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:09:37,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:09:37,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:09:37,202 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:09:37,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:09:37,202 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:09:37,202 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:09:37,202 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:09:37,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:09:37,203 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:09:37,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:09:37,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:09:37,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:09:37,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:09:37,205 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:09:37,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:09:37,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:09:37,206 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:09:37,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:09:37,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:09:37,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:09:37,291 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:09:37,292 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:09:37,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-09-28 10:09:37,293 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-09-28 10:09:37,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:09:37,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:09:37,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:37,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:09:37,416 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:09:37,436 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,453 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:37,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:09:37,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:09:37,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:09:37,479 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,480 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,491 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,491 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,508 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,511 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,514 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 28.09 10:09:37" (1/1) ... [2018-09-28 10:09:37,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:09:37,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:09:37,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:09:37,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:09:37,532 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 28.09 10:09:37" (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 [2018-09-28 10:09:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:09:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:09:38,255 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:09:38,257 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:09:38 BoogieIcfgContainer [2018-09-28 10:09:38,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:09:38,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:09:38,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:09:38,263 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:09:38,263 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 28.09 10:09:37" (1/2) ... [2018-09-28 10:09:38,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636d0ef3 and model type s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:09:38, skipping insertion in model container [2018-09-28 10:09:38,265 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 28.09 10:09:38" (2/2) ... [2018-09-28 10:09:38,267 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil.c_21.bpl [2018-09-28 10:09:38,276 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:09:38,290 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:09:38,333 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:09:38,334 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:09:38,334 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:09:38,334 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:09:38,334 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:09:38,334 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:09:38,334 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:09:38,335 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:09:38,335 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:09:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-28 10:09:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:09:38,357 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:38,358 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:38,359 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:38,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:38,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2097985007, now seen corresponding path program 1 times [2018-09-28 10:09:38,366 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:38,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:38,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:38,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:09:38,563 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:38,563 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:38,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:38,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:38,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:38,581 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2018-09-28 10:09:38,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:38,780 INFO L93 Difference]: Finished difference Result 49 states and 80 transitions. [2018-09-28 10:09:38,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:38,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-28 10:09:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:38,796 INFO L225 Difference]: With dead ends: 49 [2018-09-28 10:09:38,796 INFO L226 Difference]: Without dead ends: 26 [2018-09-28 10:09:38,800 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 [2018-09-28 10:09:38,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-28 10:09:38,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-09-28 10:09:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-09-28 10:09:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2018-09-28 10:09:38,850 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 40 transitions. Word has length 10 [2018-09-28 10:09:38,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:38,850 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 40 transitions. [2018-09-28 10:09:38,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-09-28 10:09:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:09:38,851 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:38,851 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:38,852 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:38,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:38,852 INFO L82 PathProgramCache]: Analyzing trace with hash -509365433, now seen corresponding path program 1 times [2018-09-28 10:09:38,853 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:38,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:38,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:38,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:38,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:09:38,990 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:38,990 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:38,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:38,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:38,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:38,994 INFO L87 Difference]: Start difference. First operand 26 states and 40 transitions. Second operand 3 states. [2018-09-28 10:09:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:39,188 INFO L93 Difference]: Finished difference Result 53 states and 83 transitions. [2018-09-28 10:09:39,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:39,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-28 10:09:39,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:39,191 INFO L225 Difference]: With dead ends: 53 [2018-09-28 10:09:39,191 INFO L226 Difference]: Without dead ends: 30 [2018-09-28 10:09:39,193 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 [2018-09-28 10:09:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-09-28 10:09:39,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-09-28 10:09:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-09-28 10:09:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2018-09-28 10:09:39,200 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 13 [2018-09-28 10:09:39,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:39,201 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2018-09-28 10:09:39,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-09-28 10:09:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 10:09:39,202 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:39,202 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:39,203 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:39,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:39,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1912029775, now seen corresponding path program 1 times [2018-09-28 10:09:39,203 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:39,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 10:09:39,276 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:39,276 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:39,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:39,278 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 3 states. [2018-09-28 10:09:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:39,495 INFO L93 Difference]: Finished difference Result 62 states and 93 transitions. [2018-09-28 10:09:39,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:39,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-28 10:09:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:39,497 INFO L225 Difference]: With dead ends: 62 [2018-09-28 10:09:39,497 INFO L226 Difference]: Without dead ends: 35 [2018-09-28 10:09:39,498 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 [2018-09-28 10:09:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-28 10:09:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-09-28 10:09:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-09-28 10:09:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-09-28 10:09:39,506 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-09-28 10:09:39,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:39,506 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-09-28 10:09:39,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-09-28 10:09:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 10:09:39,508 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:39,508 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:39,508 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:39,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:39,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1719277757, now seen corresponding path program 1 times [2018-09-28 10:09:39,509 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:39,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:39,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-28 10:09:39,618 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:39,618 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:39,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:39,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:39,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:39,619 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2018-09-28 10:09:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:39,763 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2018-09-28 10:09:39,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:39,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-09-28 10:09:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:39,765 INFO L225 Difference]: With dead ends: 73 [2018-09-28 10:09:39,765 INFO L226 Difference]: Without dead ends: 41 [2018-09-28 10:09:39,766 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 [2018-09-28 10:09:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-09-28 10:09:39,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-09-28 10:09:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-09-28 10:09:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2018-09-28 10:09:39,774 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 26 [2018-09-28 10:09:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:39,774 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2018-09-28 10:09:39,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2018-09-28 10:09:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 10:09:39,776 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:39,776 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] [2018-09-28 10:09:39,776 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:39,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:39,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1612801811, now seen corresponding path program 1 times [2018-09-28 10:09:39,777 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:39,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:39,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:39,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-28 10:09:39,883 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:39,883 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:39,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:39,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:39,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:39,885 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand 3 states. [2018-09-28 10:09:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:40,022 INFO L93 Difference]: Finished difference Result 86 states and 119 transitions. [2018-09-28 10:09:40,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:40,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-09-28 10:09:40,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:40,023 INFO L225 Difference]: With dead ends: 86 [2018-09-28 10:09:40,023 INFO L226 Difference]: Without dead ends: 48 [2018-09-28 10:09:40,024 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 [2018-09-28 10:09:40,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-09-28 10:09:40,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-09-28 10:09:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-09-28 10:09:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2018-09-28 10:09:40,032 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 34 [2018-09-28 10:09:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:40,032 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2018-09-28 10:09:40,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2018-09-28 10:09:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 10:09:40,034 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:40,034 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] [2018-09-28 10:09:40,034 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:40,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:40,035 INFO L82 PathProgramCache]: Analyzing trace with hash -168763707, now seen corresponding path program 1 times [2018-09-28 10:09:40,035 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:40,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:40,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:40,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-09-28 10:09:40,164 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:40,164 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:40,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:40,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:40,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:40,166 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 3 states. [2018-09-28 10:09:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:40,279 INFO L93 Difference]: Finished difference Result 136 states and 179 transitions. [2018-09-28 10:09:40,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:40,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-28 10:09:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:40,281 INFO L225 Difference]: With dead ends: 136 [2018-09-28 10:09:40,282 INFO L226 Difference]: Without dead ends: 91 [2018-09-28 10:09:40,282 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 [2018-09-28 10:09:40,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-09-28 10:09:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-09-28 10:09:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-09-28 10:09:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2018-09-28 10:09:40,297 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 43 [2018-09-28 10:09:40,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:40,298 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2018-09-28 10:09:40,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2018-09-28 10:09:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 10:09:40,300 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:40,300 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] [2018-09-28 10:09:40,301 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:40,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:40,301 INFO L82 PathProgramCache]: Analyzing trace with hash 253938119, now seen corresponding path program 1 times [2018-09-28 10:09:40,301 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:40,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:40,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:40,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-28 10:09:40,373 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:40,373 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:40,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:40,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:40,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:40,374 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand 3 states. [2018-09-28 10:09:40,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:40,426 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2018-09-28 10:09:40,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:40,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-28 10:09:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:40,428 INFO L225 Difference]: With dead ends: 188 [2018-09-28 10:09:40,428 INFO L226 Difference]: Without dead ends: 100 [2018-09-28 10:09:40,429 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 [2018-09-28 10:09:40,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-28 10:09:40,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-09-28 10:09:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-28 10:09:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2018-09-28 10:09:40,443 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 43 [2018-09-28 10:09:40,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:40,443 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2018-09-28 10:09:40,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2018-09-28 10:09:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 10:09:40,445 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:40,445 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] [2018-09-28 10:09:40,446 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:40,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:40,446 INFO L82 PathProgramCache]: Analyzing trace with hash -4227319, now seen corresponding path program 1 times [2018-09-28 10:09:40,446 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:40,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:40,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:40,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 10:09:40,539 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:40,539 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:40,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:40,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:40,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:40,540 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand 3 states. [2018-09-28 10:09:40,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:40,807 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2018-09-28 10:09:40,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:40,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-09-28 10:09:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:40,809 INFO L225 Difference]: With dead ends: 139 [2018-09-28 10:09:40,809 INFO L226 Difference]: Without dead ends: 137 [2018-09-28 10:09:40,810 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 [2018-09-28 10:09:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-09-28 10:09:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2018-09-28 10:09:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-09-28 10:09:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions. [2018-09-28 10:09:40,845 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 43 [2018-09-28 10:09:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:40,848 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 171 transitions. [2018-09-28 10:09:40,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2018-09-28 10:09:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-28 10:09:40,857 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:40,857 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] [2018-09-28 10:09:40,857 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:40,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:40,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1562207431, now seen corresponding path program 1 times [2018-09-28 10:09:40,858 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:40,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:40,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:40,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-28 10:09:40,976 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:40,976 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:40,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:40,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:40,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:40,978 INFO L87 Difference]: Start difference. First operand 132 states and 171 transitions. Second operand 3 states. [2018-09-28 10:09:41,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:41,198 INFO L93 Difference]: Finished difference Result 297 states and 405 transitions. [2018-09-28 10:09:41,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:41,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-09-28 10:09:41,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:41,199 INFO L225 Difference]: With dead ends: 297 [2018-09-28 10:09:41,200 INFO L226 Difference]: Without dead ends: 168 [2018-09-28 10:09:41,200 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 [2018-09-28 10:09:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-09-28 10:09:41,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-09-28 10:09:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-09-28 10:09:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2018-09-28 10:09:41,221 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 73 [2018-09-28 10:09:41,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:41,221 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2018-09-28 10:09:41,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2018-09-28 10:09:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 10:09:41,223 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:41,224 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] [2018-09-28 10:09:41,224 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:41,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:41,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1926453931, now seen corresponding path program 2 times [2018-09-28 10:09:41,225 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:41,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:41,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:41,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-09-28 10:09:41,320 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:41,320 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:41,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:41,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:41,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:41,321 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand 3 states. [2018-09-28 10:09:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:41,561 INFO L93 Difference]: Finished difference Result 405 states and 558 transitions. [2018-09-28 10:09:41,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:41,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2018-09-28 10:09:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:41,563 INFO L225 Difference]: With dead ends: 405 [2018-09-28 10:09:41,563 INFO L226 Difference]: Without dead ends: 228 [2018-09-28 10:09:41,564 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 [2018-09-28 10:09:41,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-09-28 10:09:41,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-09-28 10:09:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-09-28 10:09:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-09-28 10:09:41,600 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 76 [2018-09-28 10:09:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:41,601 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-09-28 10:09:41,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-09-28 10:09:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 10:09:41,603 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:41,605 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] [2018-09-28 10:09:41,606 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:41,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1254900833, now seen corresponding path program 1 times [2018-09-28 10:09:41,606 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:41,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:41,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,608 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-28 10:09:41,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-28 10:09:41,722 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:41,723 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:41,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:41,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:41,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:41,724 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2018-09-28 10:09:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:42,126 INFO L93 Difference]: Finished difference Result 489 states and 642 transitions. [2018-09-28 10:09:42,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:42,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-09-28 10:09:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:42,130 INFO L225 Difference]: With dead ends: 489 [2018-09-28 10:09:42,131 INFO L226 Difference]: Without dead ends: 255 [2018-09-28 10:09:42,132 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 [2018-09-28 10:09:42,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-09-28 10:09:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-09-28 10:09:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-09-28 10:09:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 327 transitions. [2018-09-28 10:09:42,161 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 327 transitions. Word has length 85 [2018-09-28 10:09:42,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:42,162 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 327 transitions. [2018-09-28 10:09:42,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 327 transitions. [2018-09-28 10:09:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 10:09:42,169 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:42,169 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] [2018-09-28 10:09:42,173 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:42,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:42,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1359801879, now seen corresponding path program 1 times [2018-09-28 10:09:42,173 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:42,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:42,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:42,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-09-28 10:09:42,298 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:42,298 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:42,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:42,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:42,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:42,299 INFO L87 Difference]: Start difference. First operand 255 states and 327 transitions. Second operand 3 states. [2018-09-28 10:09:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:42,819 INFO L93 Difference]: Finished difference Result 543 states and 702 transitions. [2018-09-28 10:09:42,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:42,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-09-28 10:09:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:42,822 INFO L225 Difference]: With dead ends: 543 [2018-09-28 10:09:42,822 INFO L226 Difference]: Without dead ends: 285 [2018-09-28 10:09:42,823 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 [2018-09-28 10:09:42,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-09-28 10:09:42,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-09-28 10:09:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-09-28 10:09:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 363 transitions. [2018-09-28 10:09:42,848 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 363 transitions. Word has length 94 [2018-09-28 10:09:42,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:42,848 INFO L480 AbstractCegarLoop]: Abstraction has 285 states and 363 transitions. [2018-09-28 10:09:42,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 363 transitions. [2018-09-28 10:09:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 10:09:42,850 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:42,850 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] [2018-09-28 10:09:42,851 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:42,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1195726822, now seen corresponding path program 1 times [2018-09-28 10:09:42,851 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:42,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:42,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:42,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-09-28 10:09:42,960 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:42,960 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:42,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:42,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:42,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:42,961 INFO L87 Difference]: Start difference. First operand 285 states and 363 transitions. Second operand 3 states. [2018-09-28 10:09:43,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,234 INFO L93 Difference]: Finished difference Result 603 states and 774 transitions. [2018-09-28 10:09:43,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-09-28 10:09:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,238 INFO L225 Difference]: With dead ends: 603 [2018-09-28 10:09:43,238 INFO L226 Difference]: Without dead ends: 318 [2018-09-28 10:09:43,239 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 [2018-09-28 10:09:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-28 10:09:43,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-28 10:09:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-28 10:09:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2018-09-28 10:09:43,264 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 104 [2018-09-28 10:09:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:43,264 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2018-09-28 10:09:43,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2018-09-28 10:09:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-28 10:09:43,266 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:43,267 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] [2018-09-28 10:09:43,267 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:43,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash -32649186, now seen corresponding path program 1 times [2018-09-28 10:09:43,267 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:43,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:43,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:43,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-09-28 10:09:43,391 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:43,391 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:43,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:43,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:43,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:43,393 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand 3 states. [2018-09-28 10:09:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,977 INFO L93 Difference]: Finished difference Result 633 states and 807 transitions. [2018-09-28 10:09:43,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-09-28 10:09:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,980 INFO L225 Difference]: With dead ends: 633 [2018-09-28 10:09:43,980 INFO L226 Difference]: Without dead ends: 318 [2018-09-28 10:09:43,981 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 [2018-09-28 10:09:43,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-28 10:09:44,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-28 10:09:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-28 10:09:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 402 transitions. [2018-09-28 10:09:44,009 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 402 transitions. Word has length 115 [2018-09-28 10:09:44,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:44,010 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 402 transitions. [2018-09-28 10:09:44,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 402 transitions. [2018-09-28 10:09:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 10:09:44,011 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:44,011 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] [2018-09-28 10:09:44,012 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:44,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:44,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1066373693, now seen corresponding path program 1 times [2018-09-28 10:09:44,012 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:44,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:44,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:44,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:44,148 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-28 10:09:44,149 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:44,150 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:44,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:44,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:44,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:44,151 INFO L87 Difference]: Start difference. First operand 318 states and 402 transitions. Second operand 3 states. [2018-09-28 10:09:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:44,715 INFO L93 Difference]: Finished difference Result 633 states and 801 transitions. [2018-09-28 10:09:44,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:44,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-09-28 10:09:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:44,718 INFO L225 Difference]: With dead ends: 633 [2018-09-28 10:09:44,718 INFO L226 Difference]: Without dead ends: 318 [2018-09-28 10:09:44,719 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 [2018-09-28 10:09:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-28 10:09:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-28 10:09:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-28 10:09:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 387 transitions. [2018-09-28 10:09:44,789 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 387 transitions. Word has length 124 [2018-09-28 10:09:44,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:44,790 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 387 transitions. [2018-09-28 10:09:44,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 387 transitions. [2018-09-28 10:09:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-28 10:09:44,791 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:44,791 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] [2018-09-28 10:09:44,792 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:44,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:44,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1427413192, now seen corresponding path program 1 times [2018-09-28 10:09:44,792 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:44,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:44,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:44,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-28 10:09:44,960 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:09:44,961 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 [2018-09-28 10:09:44,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:45,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:09:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 385 proven. 4 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-09-28 10:09:45,170 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:09:45,170 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-28 10:09:45,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:09:45,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:09:45,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-28 10:09:45,171 INFO L87 Difference]: Start difference. First operand 318 states and 387 transitions. Second operand 4 states. [2018-09-28 10:09:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:45,895 INFO L93 Difference]: Finished difference Result 757 states and 914 transitions. [2018-09-28 10:09:45,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:09:45,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-09-28 10:09:45,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:45,898 INFO L225 Difference]: With dead ends: 757 [2018-09-28 10:09:45,898 INFO L226 Difference]: Without dead ends: 415 [2018-09-28 10:09:45,899 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 [2018-09-28 10:09:45,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-09-28 10:09:45,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 255. [2018-09-28 10:09:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-09-28 10:09:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 291 transitions. [2018-09-28 10:09:45,937 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 291 transitions. Word has length 136 [2018-09-28 10:09:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:45,937 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 291 transitions. [2018-09-28 10:09:45,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:09:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 291 transitions. [2018-09-28 10:09:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-28 10:09:45,939 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:45,939 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] [2018-09-28 10:09:45,940 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:45,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:45,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2065701642, now seen corresponding path program 2 times [2018-09-28 10:09:45,940 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:45,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:45,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:45,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-09-28 10:09:46,106 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:09:46,106 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 [2018-09-28 10:09:46,120 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-28 10:09:46,233 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-28 10:09:46,233 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-28 10:09:46,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:09:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-09-28 10:09:46,311 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:09:46,311 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-28 10:09:46,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:09:46,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:09:46,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-28 10:09:46,312 INFO L87 Difference]: Start difference. First operand 255 states and 291 transitions. Second operand 4 states. [2018-09-28 10:09:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:47,111 INFO L93 Difference]: Finished difference Result 429 states and 487 transitions. [2018-09-28 10:09:47,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-28 10:09:47,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-09-28 10:09:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:47,112 INFO L225 Difference]: With dead ends: 429 [2018-09-28 10:09:47,112 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:09:47,113 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 [2018-09-28 10:09:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:09:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:09:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:09:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:09:47,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2018-09-28 10:09:47,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:47,114 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:09:47,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:09:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:09:47,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:09:47,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:09:47,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:47,669 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2018-09-28 10:09:48,228 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-09-28 10:09:48,330 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-09-28 10:09:48,719 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2018-09-28 10:09:49,056 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-09-28 10:09:49,378 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-09-28 10:09:49,633 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-09-28 10:09:50,063 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2018-09-28 10:09:50,176 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 11 [2018-09-28 10:09:50,306 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-09-28 10:09:50,327 INFO L422 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)) [2018-09-28 10:09:50,327 INFO L422 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)))) [2018-09-28 10:09:50,327 INFO L422 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)) [2018-09-28 10:09:50,327 INFO L422 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))) [2018-09-28 10:09:50,328 INFO L422 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))) [2018-09-28 10:09:50,328 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 526) no Hoare annotation was computed. [2018-09-28 10:09:50,328 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 526) no Hoare annotation was computed. [2018-09-28 10:09:50,328 INFO L422 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))) [2018-09-28 10:09:50,329 INFO L422 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)) [2018-09-28 10:09:50,329 INFO L422 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))) [2018-09-28 10:09:50,329 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 526) no Hoare annotation was computed. [2018-09-28 10:09:50,329 INFO L422 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)) [2018-09-28 10:09:50,330 INFO L422 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))) [2018-09-28 10:09:50,330 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 459) no Hoare annotation was computed. [2018-09-28 10:09:50,330 INFO L422 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))) [2018-09-28 10:09:50,330 INFO L422 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))) [2018-09-28 10:09:50,330 INFO L422 ceAbstractionStarter]: At program point L431(lines 431 458) the Hoare annotation is: false [2018-09-28 10:09:50,330 INFO L422 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)) [2018-09-28 10:09:50,331 INFO L422 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)))) [2018-09-28 10:09:50,331 INFO L422 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))) [2018-09-28 10:09:50,331 INFO L422 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))) [2018-09-28 10:09:50,331 INFO L422 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))) [2018-09-28 10:09:50,332 INFO L422 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))) [2018-09-28 10:09:50,332 INFO L422 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)) [2018-09-28 10:09:50,332 INFO L422 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)) [2018-09-28 10:09:50,332 INFO L422 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))) [2018-09-28 10:09:50,351 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:09:50 BoogieIcfgContainer [2018-09-28 10:09:50,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:09:50,352 INFO L168 Benchmark]: Toolchain (without parser) took 12940.34 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.9 MB). Free memory was 1.5 GB in the beginning and 928.8 MB in the end (delta: 523.2 MB). Peak memory consumption was 575.1 MB. Max. memory is 7.1 GB. [2018-09-28 10:09:50,353 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-28 10:09:50,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.98 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. [2018-09-28 10:09:50,354 INFO L168 Benchmark]: Boogie Preprocessor took 58.96 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. [2018-09-28 10:09:50,355 INFO L168 Benchmark]: RCFGBuilder took 730.01 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. [2018-09-28 10:09:50,356 INFO L168 Benchmark]: TraceAbstraction took 12093.09 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.9 MB). Free memory was 1.4 GB in the beginning and 928.8 MB in the end (delta: 491.5 MB). Peak memory consumption was 543.4 MB. Max. memory is 7.1 GB. [2018-09-28 10:09:50,360 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 0.19 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 51.98 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 58.96 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 730.01 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 12093.09 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 51.9 MB). Free memory was 1.4 GB in the beginning and 928.8 MB in the end (delta: 491.5 MB). Peak memory consumption was 543.4 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, 12.0s OverallTime, 17 OverallIterations, 17 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 545 SDtfs, 240 SDslu, 220 SDs, 0 SdLazy, 533 SolverSat, 139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s 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, 0.3s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1150 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s 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-0-2018-09-28_10-09-50-379.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-0-2018-09-28_10-09-50-379.csv Received shutdown request...