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_4.cil.c_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:09:40,320 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:09:40,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:09:40,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:09:40,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:09:40,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:09:40,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:09:40,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:09:40,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:09:40,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:09:40,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:09:40,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:09:40,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:09:40,347 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:09:40,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:09:40,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:09:40,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:09:40,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:09:40,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:09:40,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:09:40,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:09:40,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:09:40,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:09:40,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:09:40,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:09:40,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:09:40,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:09:40,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:09:40,382 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:09:40,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:09:40,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:09:40,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:09:40,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:09:40,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:09:40,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:09:40,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:09:40,390 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 10:09:40,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:09:40,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:09:40,417 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:09:40,418 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:09:40,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:09:40,419 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:09:40,420 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:09:40,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:09:40,420 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:09:40,421 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:09:40,421 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:09:40,421 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:09:40,421 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:09:40,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:09:40,422 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:09:40,422 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:09:40,422 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:09:40,422 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:09:40,422 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:09:40,423 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:09:40,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:09:40,423 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:09:40,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:09:40,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:09:40,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:09:40,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:09:40,425 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:09:40,426 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:09:40,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:09:40,426 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:09:40,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:09:40,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:09:40,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:09:40,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:09:40,519 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:09:40,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_4.cil.c_20.bpl [2018-09-28 10:09:40,520 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_4.cil.c_20.bpl' [2018-09-28 10:09:40,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:09:40,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:09:40,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:40,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:09:40,607 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:09:40,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:40,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:09:40,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:09:40,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:09:40,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/1) ... [2018-09-28 10:09:40,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:09:40,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:09:40,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:09:40,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:09:40,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (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 10:09:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:09:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:09:41,472 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:09:41,472 INFO L202 PluginConnector]: Adding new model s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:09:41 BoogieIcfgContainer [2018-09-28 10:09:41,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:09:41,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:09:41,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:09:41,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:09:41,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:09:40" (1/2) ... [2018-09-28 10:09:41,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4752ab01 and model type s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:09:41, skipping insertion in model container [2018-09-28 10:09:41,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:09:41" (2/2) ... [2018-09-28 10:09:41,481 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil.c_20.bpl [2018-09-28 10:09:41,491 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:09:41,500 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:09:41,555 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:09:41,556 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:09:41,556 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:09:41,556 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:09:41,556 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:09:41,556 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:09:41,557 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:09:41,557 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:09:41,557 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:09:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-09-28 10:09:41,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:09:41,595 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:41,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:41,600 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:41,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:41,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1912788263, now seen corresponding path program 1 times [2018-09-28 10:09:41,616 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:41,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:41,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:41,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:41,839 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 10:09:41,842 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:41,842 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:41,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:41,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:41,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:41,863 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-09-28 10:09:42,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:42,108 INFO L93 Difference]: Finished difference Result 41 states and 68 transitions. [2018-09-28 10:09:42,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:42,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-28 10:09:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:42,123 INFO L225 Difference]: With dead ends: 41 [2018-09-28 10:09:42,124 INFO L226 Difference]: Without dead ends: 22 [2018-09-28 10:09:42,128 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 10:09:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-09-28 10:09:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-09-28 10:09:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-09-28 10:09:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 34 transitions. [2018-09-28 10:09:42,170 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 34 transitions. Word has length 10 [2018-09-28 10:09:42,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:42,170 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 34 transitions. [2018-09-28 10:09:42,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-09-28 10:09:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:09:42,172 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:42,172 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:42,172 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:42,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:42,172 INFO L82 PathProgramCache]: Analyzing trace with hash -694562177, now seen corresponding path program 1 times [2018-09-28 10:09:42,172 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:42,173 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 10:09:42,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:42,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:42,281 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 10:09:42,281 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:42,281 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:42,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:42,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:42,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:42,284 INFO L87 Difference]: Start difference. First operand 22 states and 34 transitions. Second operand 3 states. [2018-09-28 10:09:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:42,425 INFO L93 Difference]: Finished difference Result 45 states and 71 transitions. [2018-09-28 10:09:42,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:42,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-28 10:09:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:42,427 INFO L225 Difference]: With dead ends: 45 [2018-09-28 10:09:42,427 INFO L226 Difference]: Without dead ends: 26 [2018-09-28 10:09:42,429 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 10:09:42,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-28 10:09:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-09-28 10:09:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-09-28 10:09:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 38 transitions. [2018-09-28 10:09:42,436 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 38 transitions. Word has length 13 [2018-09-28 10:09:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:42,437 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 38 transitions. [2018-09-28 10:09:42,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-09-28 10:09:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:09:42,438 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:42,439 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:42,439 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:42,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:42,441 INFO L82 PathProgramCache]: Analyzing trace with hash 479561661, now seen corresponding path program 1 times [2018-09-28 10:09:42,442 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:42,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:42,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:42,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:42,591 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 10:09:42,592 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:42,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:42,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:42,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:42,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:42,594 INFO L87 Difference]: Start difference. First operand 26 states and 38 transitions. Second operand 3 states. [2018-09-28 10:09:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:42,793 INFO L93 Difference]: Finished difference Result 54 states and 81 transitions. [2018-09-28 10:09:42,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:42,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-28 10:09:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:42,795 INFO L225 Difference]: With dead ends: 54 [2018-09-28 10:09:42,795 INFO L226 Difference]: Without dead ends: 31 [2018-09-28 10:09:42,796 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 10:09:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-09-28 10:09:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-09-28 10:09:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-28 10:09:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-09-28 10:09:42,804 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2018-09-28 10:09:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:42,805 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-09-28 10:09:42,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-28 10:09:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 10:09:42,806 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:42,806 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:42,806 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:42,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash 2107505391, now seen corresponding path program 1 times [2018-09-28 10:09:42,807 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:42,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:42,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:42,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:42,896 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 10:09:42,896 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:42,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:42,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:42,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:42,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:42,898 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-09-28 10:09:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,097 INFO L93 Difference]: Finished difference Result 65 states and 93 transitions. [2018-09-28 10:09:43,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-09-28 10:09:43,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,100 INFO L225 Difference]: With dead ends: 65 [2018-09-28 10:09:43,100 INFO L226 Difference]: Without dead ends: 37 [2018-09-28 10:09:43,101 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 10:09:43,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-09-28 10:09:43,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-09-28 10:09:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-28 10:09:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2018-09-28 10:09:43,109 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 49 transitions. Word has length 22 [2018-09-28 10:09:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:43,109 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 49 transitions. [2018-09-28 10:09:43,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2018-09-28 10:09:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 10:09:43,111 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:43,111 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:43,111 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:43,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:43,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2123032451, now seen corresponding path program 1 times [2018-09-28 10:09:43,112 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:43,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:43,211 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 10:09:43,211 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:43,212 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:43,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:43,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:43,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:43,213 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 3 states. [2018-09-28 10:09:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,473 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2018-09-28 10:09:43,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-28 10:09:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,475 INFO L225 Difference]: With dead ends: 78 [2018-09-28 10:09:43,475 INFO L226 Difference]: Without dead ends: 44 [2018-09-28 10:09:43,475 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 10:09:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-09-28 10:09:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-09-28 10:09:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-28 10:09:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2018-09-28 10:09:43,484 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 30 [2018-09-28 10:09:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:43,484 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2018-09-28 10:09:43,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:43,485 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2018-09-28 10:09:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 10:09:43,486 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:43,486 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] [2018-09-28 10:09:43,486 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:43,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash -919972413, now seen corresponding path program 1 times [2018-09-28 10:09:43,487 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:43,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:43,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:43,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:43,578 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 10:09:43,579 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:43,579 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:43,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:43,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:43,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:43,580 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand 3 states. [2018-09-28 10:09:43,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,663 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2018-09-28 10:09:43,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-28 10:09:43,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,664 INFO L225 Difference]: With dead ends: 94 [2018-09-28 10:09:43,665 INFO L226 Difference]: Without dead ends: 53 [2018-09-28 10:09:43,666 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 10:09:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-09-28 10:09:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-09-28 10:09:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-09-28 10:09:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-09-28 10:09:43,675 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 39 [2018-09-28 10:09:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:43,676 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-09-28 10:09:43,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-09-28 10:09:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 10:09:43,677 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:43,677 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] [2018-09-28 10:09:43,678 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:43,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:43,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1178137851, now seen corresponding path program 1 times [2018-09-28 10:09:43,678 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:43,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:43,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:43,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:43,765 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 10:09:43,766 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:43,766 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:43,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:43,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:43,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:43,767 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 3 states. [2018-09-28 10:09:43,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:43,852 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2018-09-28 10:09:43,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:43,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-28 10:09:43,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:43,856 INFO L225 Difference]: With dead ends: 75 [2018-09-28 10:09:43,856 INFO L226 Difference]: Without dead ends: 73 [2018-09-28 10:09:43,856 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 10:09:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-28 10:09:43,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2018-09-28 10:09:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-09-28 10:09:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 91 transitions. [2018-09-28 10:09:43,868 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 91 transitions. Word has length 39 [2018-09-28 10:09:43,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:43,868 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 91 transitions. [2018-09-28 10:09:43,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2018-09-28 10:09:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 10:09:43,870 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:43,870 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] [2018-09-28 10:09:43,871 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:43,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:43,871 INFO L82 PathProgramCache]: Analyzing trace with hash -497270587, now seen corresponding path program 1 times [2018-09-28 10:09:43,871 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:43,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:43,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:43,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-09-28 10:09:43,958 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:43,958 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:43,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:43,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:43,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:43,960 INFO L87 Difference]: Start difference. First operand 68 states and 91 transitions. Second operand 3 states. [2018-09-28 10:09:44,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:44,085 INFO L93 Difference]: Finished difference Result 134 states and 181 transitions. [2018-09-28 10:09:44,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:44,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-28 10:09:44,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:44,086 INFO L225 Difference]: With dead ends: 134 [2018-09-28 10:09:44,087 INFO L226 Difference]: Without dead ends: 69 [2018-09-28 10:09:44,087 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 10:09:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-28 10:09:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-09-28 10:09:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-09-28 10:09:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2018-09-28 10:09:44,099 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 39 [2018-09-28 10:09:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:44,099 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2018-09-28 10:09:44,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-09-28 10:09:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 10:09:44,101 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:44,101 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:44,102 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:44,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1610522479, now seen corresponding path program 1 times [2018-09-28 10:09:44,102 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:44,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:44,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:44,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-09-28 10:09:44,200 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:44,200 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:44,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:44,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:44,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:44,202 INFO L87 Difference]: Start difference. First operand 69 states and 92 transitions. Second operand 3 states. [2018-09-28 10:09:44,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:44,777 INFO L93 Difference]: Finished difference Result 159 states and 225 transitions. [2018-09-28 10:09:44,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:44,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-09-28 10:09:44,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:44,779 INFO L225 Difference]: With dead ends: 159 [2018-09-28 10:09:44,779 INFO L226 Difference]: Without dead ends: 93 [2018-09-28 10:09:44,780 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 10:09:44,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-09-28 10:09:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-09-28 10:09:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-09-28 10:09:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2018-09-28 10:09:44,793 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 126 transitions. Word has length 56 [2018-09-28 10:09:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:44,794 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 126 transitions. [2018-09-28 10:09:44,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 126 transitions. [2018-09-28 10:09:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 10:09:44,795 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:44,796 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:44,796 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:44,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:44,796 INFO L82 PathProgramCache]: Analyzing trace with hash -919794, now seen corresponding path program 1 times [2018-09-28 10:09:44,797 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:44,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:44,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:44,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-09-28 10:09:44,921 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:44,921 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:44,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:44,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:44,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:44,923 INFO L87 Difference]: Start difference. First operand 93 states and 126 transitions. Second operand 3 states. [2018-09-28 10:09:45,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:45,164 INFO L93 Difference]: Finished difference Result 199 states and 269 transitions. [2018-09-28 10:09:45,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:45,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-09-28 10:09:45,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:45,166 INFO L225 Difference]: With dead ends: 199 [2018-09-28 10:09:45,166 INFO L226 Difference]: Without dead ends: 109 [2018-09-28 10:09:45,167 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 10:09:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-09-28 10:09:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-09-28 10:09:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-09-28 10:09:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 142 transitions. [2018-09-28 10:09:45,182 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 142 transitions. Word has length 68 [2018-09-28 10:09:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:45,182 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 142 transitions. [2018-09-28 10:09:45,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions. [2018-09-28 10:09:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 10:09:45,184 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:45,184 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:45,185 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:45,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:45,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1962879724, now seen corresponding path program 1 times [2018-09-28 10:09:45,185 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:45,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:45,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:45,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-28 10:09:45,287 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:45,288 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:45,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:45,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:45,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:45,289 INFO L87 Difference]: Start difference. First operand 109 states and 142 transitions. Second operand 3 states. [2018-09-28 10:09:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:45,622 INFO L93 Difference]: Finished difference Result 233 states and 305 transitions. [2018-09-28 10:09:45,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:45,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-09-28 10:09:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:45,625 INFO L225 Difference]: With dead ends: 233 [2018-09-28 10:09:45,625 INFO L226 Difference]: Without dead ends: 127 [2018-09-28 10:09:45,626 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 10:09:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-09-28 10:09:45,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-09-28 10:09:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-09-28 10:09:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 160 transitions. [2018-09-28 10:09:45,643 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 160 transitions. Word has length 77 [2018-09-28 10:09:45,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:45,643 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 160 transitions. [2018-09-28 10:09:45,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:45,644 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2018-09-28 10:09:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 10:09:45,645 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:45,645 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 6, 4, 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 10:09:45,646 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:45,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:45,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1866233676, now seen corresponding path program 1 times [2018-09-28 10:09:45,646 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:45,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:45,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:45,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-09-28 10:09:45,755 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:45,755 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:45,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:45,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:45,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:45,756 INFO L87 Difference]: Start difference. First operand 127 states and 160 transitions. Second operand 3 states. [2018-09-28 10:09:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:46,242 INFO L93 Difference]: Finished difference Result 271 states and 345 transitions. [2018-09-28 10:09:46,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:46,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-09-28 10:09:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:46,244 INFO L225 Difference]: With dead ends: 271 [2018-09-28 10:09:46,245 INFO L226 Difference]: Without dead ends: 147 [2018-09-28 10:09:46,245 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 10:09:46,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-09-28 10:09:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-09-28 10:09:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-09-28 10:09:46,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2018-09-28 10:09:46,271 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 180 transitions. Word has length 86 [2018-09-28 10:09:46,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:46,271 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 180 transitions. [2018-09-28 10:09:46,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 180 transitions. [2018-09-28 10:09:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 10:09:46,273 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:46,277 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 9, 7, 5, 3, 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 10:09:46,277 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:46,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:46,277 INFO L82 PathProgramCache]: Analyzing trace with hash -82543983, now seen corresponding path program 1 times [2018-09-28 10:09:46,278 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:46,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:46,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:46,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-09-28 10:09:46,415 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:46,416 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:46,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:46,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:46,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:46,417 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. Second operand 3 states. [2018-09-28 10:09:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:46,593 INFO L93 Difference]: Finished difference Result 313 states and 389 transitions. [2018-09-28 10:09:46,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:46,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-09-28 10:09:46,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:46,596 INFO L225 Difference]: With dead ends: 313 [2018-09-28 10:09:46,596 INFO L226 Difference]: Without dead ends: 169 [2018-09-28 10:09:46,597 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 10:09:46,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-09-28 10:09:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-09-28 10:09:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-09-28 10:09:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2018-09-28 10:09:46,613 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 96 [2018-09-28 10:09:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:46,613 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2018-09-28 10:09:46,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2018-09-28 10:09:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-28 10:09:46,615 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:46,616 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 10, 8, 6, 4, 3, 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 10:09:46,616 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:46,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash -666240887, now seen corresponding path program 1 times [2018-09-28 10:09:46,617 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:46,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:46,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:46,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-09-28 10:09:46,750 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:46,750 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:46,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:46,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:46,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:46,751 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 3 states. [2018-09-28 10:09:46,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:46,955 INFO L93 Difference]: Finished difference Result 359 states and 445 transitions. [2018-09-28 10:09:46,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:46,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-09-28 10:09:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:46,957 INFO L225 Difference]: With dead ends: 359 [2018-09-28 10:09:46,957 INFO L226 Difference]: Without dead ends: 193 [2018-09-28 10:09:46,958 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 10:09:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-09-28 10:09:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-09-28 10:09:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-09-28 10:09:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 226 transitions. [2018-09-28 10:09:46,974 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 226 transitions. Word has length 107 [2018-09-28 10:09:46,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:46,975 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 226 transitions. [2018-09-28 10:09:46,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 226 transitions. [2018-09-28 10:09:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-28 10:09:46,977 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:46,977 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 11, 9, 7, 5, 4, 3, 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 10:09:46,977 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:46,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:46,978 INFO L82 PathProgramCache]: Analyzing trace with hash 133203942, now seen corresponding path program 1 times [2018-09-28 10:09:46,978 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:46,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:46,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:46,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 282 proven. 6 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-09-28 10:09:47,173 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:09:47,174 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 10:09:47,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:47,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:09:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 282 proven. 6 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-09-28 10:09:47,454 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:09:47,455 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-28 10:09:47,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-28 10:09:47,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-28 10:09:47,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-28 10:09:47,457 INFO L87 Difference]: Start difference. First operand 193 states and 226 transitions. Second operand 4 states. [2018-09-28 10:09:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:48,477 INFO L93 Difference]: Finished difference Result 371 states and 424 transitions. [2018-09-28 10:09:48,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:09:48,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-09-28 10:09:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:48,479 INFO L225 Difference]: With dead ends: 371 [2018-09-28 10:09:48,479 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:09:48,480 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 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 10:09:48,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:09:48,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:09:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:09:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:09:48,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2018-09-28 10:09:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:48,482 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:09:48,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-28 10:09:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:09:48,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:09:48,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:09:49,188 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-09-28 10:09:49,346 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-28 10:09:49,607 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-09-28 10:09:49,716 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-09-28 10:09:50,064 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-09-28 10:09:50,534 WARN L178 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-09-28 10:09:50,684 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-09-28 10:09:50,786 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-09-28 10:09:51,135 INFO L422 ceAbstractionStarter]: At program point L506(lines 289 506) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,135 INFO L422 ceAbstractionStarter]: At program point L374(lines 374 397) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,135 INFO L422 ceAbstractionStarter]: At program point L370(lines 370 386) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) [2018-09-28 10:09:51,135 INFO L422 ceAbstractionStarter]: At program point L337(lines 337 348) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,136 INFO L422 ceAbstractionStarter]: At program point L300(lines 261 300) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,136 INFO L422 ceAbstractionStarter]: At program point L362(lines 357 375) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4400) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) [2018-09-28 10:09:51,136 INFO L422 ceAbstractionStarter]: At program point L296(lines 296 316) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,136 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 507) no Hoare annotation was computed. [2018-09-28 10:09:51,136 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 507) no Hoare annotation was computed. [2018-09-28 10:09:51,136 INFO L422 ceAbstractionStarter]: At program point L412(lines 412 439) the Hoare annotation is: false [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L441(lines 438 455) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L400(lines 400 431) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L396(lines 396 413) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4432)) [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L388(lines 385 401) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4) (= ULTIMATE.start_ssl3_connect_~s__state~4 4416)) [2018-09-28 10:09:51,137 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 507) no Hoare annotation was computed. [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L351(lines 351 371) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,137 INFO L422 ceAbstractionStarter]: At program point L347(lines 347 358) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) [2018-09-28 10:09:51,138 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 440) no Hoare annotation was computed. [2018-09-28 10:09:51,138 INFO L422 ceAbstractionStarter]: At program point L480(lines 480 497) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,138 INFO L422 ceAbstractionStarter]: At program point L319(lines 319 334) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,138 INFO L422 ceAbstractionStarter]: At program point L460(lines 460 477) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,139 INFO L422 ceAbstractionStarter]: At program point L266(lines 266 290) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~4 4))) (or (and (= ULTIMATE.start_ssl3_connect_~blastFlag~4 2) (= ULTIMATE.start_ssl3_connect_~s__state~4 4400)) (and (= ULTIMATE.start_ssl3_connect_~s__state~4 4416) (= ULTIMATE.start_ssl3_connect_~blastFlag~4 3)) (= ULTIMATE.start_ssl3_connect_~s__state~4 4368) (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~4) (<= ULTIMATE.start_ssl3_connect_~s__state~4 4352)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~4 4384)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~4)))) [2018-09-28 10:09:51,154 INFO L202 PluginConnector]: Adding new model s3_clnt_4.cil.c_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:09:51 BoogieIcfgContainer [2018-09-28 10:09:51,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:09:51,155 INFO L168 Benchmark]: Toolchain (without parser) took 10552.65 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 31.5 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 27.1 MB). Peak memory consumption was 490.3 MB. Max. memory is 7.1 GB. [2018-09-28 10:09:51,157 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 10:09:51,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.51 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 10:09:51,158 INFO L168 Benchmark]: Boogie Preprocessor took 41.07 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 10:09:51,159 INFO L168 Benchmark]: RCFGBuilder took 778.13 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 10:09:51,159 INFO L168 Benchmark]: TraceAbstraction took 9680.95 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 31.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -4.6 MB). Peak memory consumption was 458.6 MB. Max. memory is 7.1 GB. [2018-09-28 10:09:51,164 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 0.21 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 46.51 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 41.07 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 778.13 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 9680.95 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 31.5 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -4.6 MB). Peak memory consumption was 458.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 440]: 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: 385]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4416 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4432 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ssl3_connect_~s__state~4 == 4368) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~4 == 4400 && ssl3_connect_~blastFlag~4 == 3 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: ((ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ssl3_connect_~s__state~4 == 4368) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ssl3_connect_~s__state~4 == 4368) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~4 == 2 && ssl3_connect_~s__state~4 == 4400) || (ssl3_connect_~s__state~4 == 4416 && ssl3_connect_~blastFlag~4 == 3)) || ssl3_connect_~s__state~4 == 4368) || ((ssl3_connect_~blastFlag~4 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~4) && ssl3_connect_~s__state~4 <= 4352)) || (ssl3_connect_~blastFlag~4 <= 4 && ssl3_connect_~s__state~4 == 4384)) || (ssl3_connect_~blastFlag~4 <= 4 && 4432 <= ssl3_connect_~s__state~4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 15 OverallIterations, 14 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 478 SDtfs, 60 SDslu, 167 SDs, 0 SdLazy, 428 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=14, 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: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 198 NumberOfFragments, 390 HoareAnnotationTreeSize, 18 FomulaSimplifications, 1407 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 937 NumberOfCodeBlocks, 937 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 921 ConstructedInterpolants, 0 QuantifiedInterpolants, 94303 SizeOfPredicates, 2 NumberOfNonLiveVariables, 567 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 2949/2961 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_4.cil.c_20.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_10-09-51-181.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_4.cil.c_20.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_10-09-51-181.csv Received shutdown request...