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_3.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:42:36,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:42:36,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:42:36,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 23:42:36,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 23:42:36,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 23:42:36,218 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 23:42:36,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 23:42:36,225 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 23:42:36,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 23:42:36,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 23:42:36,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 23:42:36,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 23:42:36,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 23:42:36,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 23:42:36,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 23:42:36,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 23:42:36,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 23:42:36,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 23:42:36,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 23:42:36,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 23:42:36,261 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 23:42:36,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 23:42:36,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 23:42:36,267 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 23:42:36,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 23:42:36,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 23:42:36,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 23:42:36,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 23:42:36,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 23:42:36,274 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 23:42:36,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 23:42:36,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 23:42:36,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 23:42:36,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 23:42:36,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 23:42:36,280 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 [2018-09-30 23:42:36,303 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:42:36,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:42:36,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:42:36,309 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:42:36,310 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:42:36,310 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:42:36,311 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:42:36,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:42:36,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:42:36,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:42:36,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:42:36,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:42:36,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:42:36,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:42:36,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:42:36,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:42:36,314 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:42:36,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:42:36,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:42:36,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:42:36,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:42:36,315 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:42:36,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:42:36,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:42:36,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:42:36,316 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:42:36,316 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:42:36,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:42:36,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:42:36,317 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:42:36,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:42:36,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:42:36,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:42:36,411 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:42:36,411 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:42:36,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.BV.c.cil.c_19.bpl [2018-09-30 23:42:36,413 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.BV.c.cil.c_19.bpl' [2018-09-30 23:42:36,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:42:36,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:42:36,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:42:36,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:42:36,540 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:42:36,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:42:36,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:42:36,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:42:36,596 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:42:36,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/1) ... [2018-09-30 23:42:36,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:42:36,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:42:36,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:42:36,662 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:42:36,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (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 [2018-09-30 23:42:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:42:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:42:37,357 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:42:37,357 INFO L202 PluginConnector]: Adding new model s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:42:37 BoogieIcfgContainer [2018-09-30 23:42:37,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:42:37,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:42:37,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:42:37,361 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:42:37,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:42:36" (1/2) ... [2018-09-30 23:42:37,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d900a0 and model type s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:42:37, skipping insertion in model container [2018-09-30 23:42:37,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:42:37" (2/2) ... [2018-09-30 23:42:37,365 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil.c_19.bpl [2018-09-30 23:42:37,375 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:42:37,384 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:42:37,428 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:42:37,429 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:42:37,429 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:42:37,429 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:42:37,429 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:42:37,430 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:42:37,430 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:42:37,430 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:42:37,430 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:42:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-30 23:42:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 23:42:37,451 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:37,452 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:37,453 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:37,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:37,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1918382949, now seen corresponding path program 1 times [2018-09-30 23:42:37,462 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:37,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:37,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:37,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:37,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:42:37,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:37,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:42:37,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:37,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:37,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:37,672 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-09-30 23:42:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:37,875 INFO L93 Difference]: Finished difference Result 37 states and 62 transitions. [2018-09-30 23:42:37,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:37,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-09-30 23:42:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:37,889 INFO L225 Difference]: With dead ends: 37 [2018-09-30 23:42:37,889 INFO L226 Difference]: Without dead ends: 20 [2018-09-30 23:42:37,893 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 [2018-09-30 23:42:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-09-30 23:42:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-09-30 23:42:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-30 23:42:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 31 transitions. [2018-09-30 23:42:37,931 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 31 transitions. Word has length 10 [2018-09-30 23:42:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:37,931 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 31 transitions. [2018-09-30 23:42:37,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-09-30 23:42:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 23:42:37,932 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:37,932 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:37,933 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:37,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:37,933 INFO L82 PathProgramCache]: Analyzing trace with hash -688967491, now seen corresponding path program 1 times [2018-09-30 23:42:37,933 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:37,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:37,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:37,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:37,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:42:38,048 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:38,048 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:38,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:38,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:38,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:38,051 INFO L87 Difference]: Start difference. First operand 20 states and 31 transitions. Second operand 3 states. [2018-09-30 23:42:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:38,209 INFO L93 Difference]: Finished difference Result 41 states and 65 transitions. [2018-09-30 23:42:38,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:38,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-30 23:42:38,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:38,212 INFO L225 Difference]: With dead ends: 41 [2018-09-30 23:42:38,212 INFO L226 Difference]: Without dead ends: 24 [2018-09-30 23:42:38,214 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 [2018-09-30 23:42:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-09-30 23:42:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-09-30 23:42:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-09-30 23:42:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 35 transitions. [2018-09-30 23:42:38,222 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 35 transitions. Word has length 13 [2018-09-30 23:42:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:38,222 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 35 transitions. [2018-09-30 23:42:38,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-30 23:42:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 23:42:38,223 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:38,223 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:38,224 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:38,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:38,224 INFO L82 PathProgramCache]: Analyzing trace with hash 485156347, now seen corresponding path program 1 times [2018-09-30 23:42:38,224 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:38,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:38,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:38,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 23:42:38,357 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:38,358 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:38,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:38,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:38,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:38,359 INFO L87 Difference]: Start difference. First operand 24 states and 35 transitions. Second operand 3 states. [2018-09-30 23:42:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:38,569 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2018-09-30 23:42:38,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:38,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-09-30 23:42:38,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:38,570 INFO L225 Difference]: With dead ends: 50 [2018-09-30 23:42:38,571 INFO L226 Difference]: Without dead ends: 29 [2018-09-30 23:42:38,571 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 [2018-09-30 23:42:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-30 23:42:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-09-30 23:42:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-09-30 23:42:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2018-09-30 23:42:38,584 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2018-09-30 23:42:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:38,587 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2018-09-30 23:42:38,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-09-30 23:42:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 23:42:38,588 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:38,589 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:38,590 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:38,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1400979255, now seen corresponding path program 1 times [2018-09-30 23:42:38,591 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:38,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:38,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:38,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 23:42:38,785 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:38,785 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:38,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:38,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:38,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:38,790 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2018-09-30 23:42:38,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:38,904 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-09-30 23:42:38,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:38,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-30 23:42:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:38,908 INFO L225 Difference]: With dead ends: 74 [2018-09-30 23:42:38,908 INFO L226 Difference]: Without dead ends: 48 [2018-09-30 23:42:38,909 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 [2018-09-30 23:42:38,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-09-30 23:42:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2018-09-30 23:42:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-30 23:42:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2018-09-30 23:42:38,919 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 24 [2018-09-30 23:42:38,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:38,920 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2018-09-30 23:42:38,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-09-30 23:42:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 23:42:38,921 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:38,922 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:38,922 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:38,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:38,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1854060543, now seen corresponding path program 1 times [2018-09-30 23:42:38,922 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:38,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:38,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:38,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 23:42:38,995 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:38,995 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:38,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:38,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:38,997 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand 3 states. [2018-09-30 23:42:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:39,191 INFO L93 Difference]: Finished difference Result 92 states and 137 transitions. [2018-09-30 23:42:39,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:39,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 23:42:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:39,193 INFO L225 Difference]: With dead ends: 92 [2018-09-30 23:42:39,193 INFO L226 Difference]: Without dead ends: 51 [2018-09-30 23:42:39,194 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 [2018-09-30 23:42:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-09-30 23:42:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-09-30 23:42:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-30 23:42:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2018-09-30 23:42:39,204 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 30 [2018-09-30 23:42:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:39,204 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2018-09-30 23:42:39,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2018-09-30 23:42:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 23:42:39,206 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:39,206 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:39,206 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:39,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:39,207 INFO L82 PathProgramCache]: Analyzing trace with hash 122269039, now seen corresponding path program 1 times [2018-09-30 23:42:39,207 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:39,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:39,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:39,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 23:42:39,355 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:39,355 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:39,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:39,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:39,357 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand 3 states. [2018-09-30 23:42:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:39,500 INFO L93 Difference]: Finished difference Result 71 states and 102 transitions. [2018-09-30 23:42:39,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:39,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-30 23:42:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:39,505 INFO L225 Difference]: With dead ends: 71 [2018-09-30 23:42:39,505 INFO L226 Difference]: Without dead ends: 69 [2018-09-30 23:42:39,505 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 [2018-09-30 23:42:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-30 23:42:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 64. [2018-09-30 23:42:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-09-30 23:42:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2018-09-30 23:42:39,518 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 37 [2018-09-30 23:42:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:39,518 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2018-09-30 23:42:39,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2018-09-30 23:42:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 23:42:39,520 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:39,520 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:39,520 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:39,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash -827312127, now seen corresponding path program 1 times [2018-09-30 23:42:39,521 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:39,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:39,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:39,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 23:42:39,590 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:39,590 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:39,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:39,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:39,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:39,592 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand 3 states. [2018-09-30 23:42:39,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:39,799 INFO L93 Difference]: Finished difference Result 161 states and 250 transitions. [2018-09-30 23:42:39,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:39,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-09-30 23:42:39,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:39,803 INFO L225 Difference]: With dead ends: 161 [2018-09-30 23:42:39,803 INFO L226 Difference]: Without dead ends: 100 [2018-09-30 23:42:39,804 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 [2018-09-30 23:42:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-30 23:42:39,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-09-30 23:42:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-30 23:42:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2018-09-30 23:42:39,820 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 44 [2018-09-30 23:42:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:39,821 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2018-09-30 23:42:39,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2018-09-30 23:42:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 23:42:39,823 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:39,823 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:39,825 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:39,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:39,825 INFO L82 PathProgramCache]: Analyzing trace with hash -520844702, now seen corresponding path program 1 times [2018-09-30 23:42:39,825 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:39,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:39,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:39,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-09-30 23:42:39,934 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:39,934 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:39,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:39,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:39,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:39,936 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 3 states. [2018-09-30 23:42:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:40,219 INFO L93 Difference]: Finished difference Result 205 states and 297 transitions. [2018-09-30 23:42:40,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:40,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-09-30 23:42:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:40,222 INFO L225 Difference]: With dead ends: 205 [2018-09-30 23:42:40,222 INFO L226 Difference]: Without dead ends: 108 [2018-09-30 23:42:40,223 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 [2018-09-30 23:42:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-09-30 23:42:40,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-09-30 23:42:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-30 23:42:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2018-09-30 23:42:40,239 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 56 [2018-09-30 23:42:40,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:40,240 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2018-09-30 23:42:40,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2018-09-30 23:42:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 23:42:40,242 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:40,242 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:40,243 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:40,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:40,243 INFO L82 PathProgramCache]: Analyzing trace with hash 743728902, now seen corresponding path program 1 times [2018-09-30 23:42:40,243 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:40,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:40,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:40,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-30 23:42:40,343 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:40,343 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:40,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:40,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:40,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:40,344 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 3 states. [2018-09-30 23:42:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:40,430 INFO L93 Difference]: Finished difference Result 240 states and 339 transitions. [2018-09-30 23:42:40,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:40,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-30 23:42:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:40,433 INFO L225 Difference]: With dead ends: 240 [2018-09-30 23:42:40,433 INFO L226 Difference]: Without dead ends: 135 [2018-09-30 23:42:40,434 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 [2018-09-30 23:42:40,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-09-30 23:42:40,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-09-30 23:42:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-09-30 23:42:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 180 transitions. [2018-09-30 23:42:40,466 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 180 transitions. Word has length 65 [2018-09-30 23:42:40,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:40,466 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 180 transitions. [2018-09-30 23:42:40,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 180 transitions. [2018-09-30 23:42:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 23:42:40,468 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:40,469 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 6, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:40,469 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:40,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:40,469 INFO L82 PathProgramCache]: Analyzing trace with hash 77382112, now seen corresponding path program 1 times [2018-09-30 23:42:40,470 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:40,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:40,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:40,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-30 23:42:40,585 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:40,585 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:40,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:40,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:40,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:40,586 INFO L87 Difference]: Start difference. First operand 135 states and 180 transitions. Second operand 3 states. [2018-09-30 23:42:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:40,867 INFO L93 Difference]: Finished difference Result 297 states and 399 transitions. [2018-09-30 23:42:40,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:40,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2018-09-30 23:42:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:40,869 INFO L225 Difference]: With dead ends: 297 [2018-09-30 23:42:40,869 INFO L226 Difference]: Without dead ends: 165 [2018-09-30 23:42:40,871 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 [2018-09-30 23:42:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-09-30 23:42:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-09-30 23:42:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-09-30 23:42:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 210 transitions. [2018-09-30 23:42:40,889 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 210 transitions. Word has length 74 [2018-09-30 23:42:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:40,890 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 210 transitions. [2018-09-30 23:42:40,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2018-09-30 23:42:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 23:42:40,892 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:40,892 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:40,892 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:40,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1320054553, now seen corresponding path program 1 times [2018-09-30 23:42:40,893 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:40,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:40,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:40,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-09-30 23:42:40,991 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:40,991 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:40,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:40,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:40,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:40,993 INFO L87 Difference]: Start difference. First operand 165 states and 210 transitions. Second operand 3 states. [2018-09-30 23:42:41,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:41,392 INFO L93 Difference]: Finished difference Result 360 states and 465 transitions. [2018-09-30 23:42:41,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:41,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-09-30 23:42:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:41,400 INFO L225 Difference]: With dead ends: 360 [2018-09-30 23:42:41,400 INFO L226 Difference]: Without dead ends: 198 [2018-09-30 23:42:41,401 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 [2018-09-30 23:42:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-09-30 23:42:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-09-30 23:42:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-09-30 23:42:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 243 transitions. [2018-09-30 23:42:41,421 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 243 transitions. Word has length 84 [2018-09-30 23:42:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:41,421 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 243 transitions. [2018-09-30 23:42:41,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 243 transitions. [2018-09-30 23:42:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 23:42:41,423 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:41,424 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 8, 7, 6, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:41,424 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:41,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:41,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1153559737, now seen corresponding path program 1 times [2018-09-30 23:42:41,424 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:41,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:41,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:41,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:41,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 23:42:41,554 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:42:41,555 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:42:41,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:42:41,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:42:41,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:42:41,556 INFO L87 Difference]: Start difference. First operand 198 states and 243 transitions. Second operand 3 states. [2018-09-30 23:42:42,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:42,076 INFO L93 Difference]: Finished difference Result 429 states and 548 transitions. [2018-09-30 23:42:42,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:42:42,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2018-09-30 23:42:42,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:42,079 INFO L225 Difference]: With dead ends: 429 [2018-09-30 23:42:42,079 INFO L226 Difference]: Without dead ends: 234 [2018-09-30 23:42:42,080 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 [2018-09-30 23:42:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-09-30 23:42:42,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2018-09-30 23:42:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-09-30 23:42:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2018-09-30 23:42:42,099 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 95 [2018-09-30 23:42:42,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:42,100 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2018-09-30 23:42:42,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:42:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2018-09-30 23:42:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 23:42:42,102 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:42:42,102 INFO L375 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 9, 8, 7, 5, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:42:42,102 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:42:42,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:42:42,103 INFO L82 PathProgramCache]: Analyzing trace with hash -580341928, now seen corresponding path program 1 times [2018-09-30 23:42:42,103 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:42:42,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:42:42,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:42,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:42,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:42:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 200 proven. 5 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 23:42:42,221 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:42:42,221 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 [2018-09-30 23:42:42,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:42:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:42:42,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:42:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 200 proven. 5 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-30 23:42:42,438 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 23:42:42,439 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 23:42:42,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 23:42:42,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 23:42:42,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:42:42,440 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 4 states. [2018-09-30 23:42:43,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:42:43,155 INFO L93 Difference]: Finished difference Result 530 states and 632 transitions. [2018-09-30 23:42:43,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 23:42:43,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-09-30 23:42:43,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:42:43,156 INFO L225 Difference]: With dead ends: 530 [2018-09-30 23:42:43,156 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:42:43,157 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 23:42:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:42:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:42:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:42:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:42:43,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2018-09-30 23:42:43,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:42:43,159 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:42:43,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 23:42:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:42:43,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:42:43,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:42:43,893 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-09-30 23:42:44,508 WARN L178 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-09-30 23:42:44,639 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-09-30 23:42:45,159 INFO L422 ceAbstractionStarter]: At program point L440(lines 440 455) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,160 INFO L422 ceAbstractionStarter]: At program point L366(lines 366 391) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,160 INFO L422 ceAbstractionStarter]: At program point L300(lines 300 326) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,160 INFO L422 ceAbstractionStarter]: At program point L362(lines 362 373) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4) (= ULTIMATE.start_ssl3_connect_~s__state~3 4432)) [2018-09-30 23:42:45,160 INFO L422 ceAbstractionStarter]: At program point L329(lines 329 351) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,161 INFO L422 ceAbstractionStarter]: At program point L296(lines 296 307) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~3 4384) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2)) [2018-09-30 23:42:45,161 INFO L422 ceAbstractionStarter]: At program point L420(lines 420 437) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,161 INFO L422 ceAbstractionStarter]: At program point L354(lines 354 363) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,161 INFO L422 ceAbstractionStarter]: At program point L288(lines 288 297) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,161 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 2 464) no Hoare annotation was computed. [2018-09-30 23:42:45,161 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 2 464) no Hoare annotation was computed. [2018-09-30 23:42:45,162 INFO L422 ceAbstractionStarter]: At program point L239(lines 239 258) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,162 INFO L422 ceAbstractionStarter]: At program point L268(lines 234 268) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,162 INFO L422 ceAbstractionStarter]: At program point L264(lines 264 285) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,162 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 2 464) no Hoare annotation was computed. [2018-09-30 23:42:45,162 INFO L422 ceAbstractionStarter]: At program point L372(lines 372 399) the Hoare annotation is: false [2018-09-30 23:42:45,162 INFO L422 ceAbstractionStarter]: At program point L401(lines 398 415) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,163 INFO L422 ceAbstractionStarter]: At program point L463(lines 257 463) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 4))) (or (and .cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~3) (<= ULTIMATE.start_ssl3_connect_~s__state~3 4352)) (= ULTIMATE.start_ssl3_connect_~s__state~3 4368) (and .cse0 (<= 4432 ULTIMATE.start_ssl3_connect_~s__state~3)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~s__state~3 4416)) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2))) [2018-09-30 23:42:45,163 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 400) no Hoare annotation was computed. [2018-09-30 23:42:45,163 INFO L422 ceAbstractionStarter]: At program point L311(lines 306 330) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_connect_~s__state~3 4384) (<= ULTIMATE.start_ssl3_connect_~blastFlag~3 2)) [2018-09-30 23:42:45,176 INFO L202 PluginConnector]: Adding new model s3_clnt_3.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:42:45 BoogieIcfgContainer [2018-09-30 23:42:45,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:42:45,177 INFO L168 Benchmark]: Toolchain (without parser) took 8641.62 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -22.0 MB). Peak memory consumption was 490.3 MB. Max. memory is 7.1 GB. [2018-09-30 23:42:45,179 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.95 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. [2018-09-30 23:42:45,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.75 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. [2018-09-30 23:42:45,180 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 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. [2018-09-30 23:42:45,180 INFO L168 Benchmark]: RCFGBuilder took 695.81 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. [2018-09-30 23:42:45,181 INFO L168 Benchmark]: TraceAbstraction took 7818.21 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -53.7 MB). Peak memory consumption was 458.6 MB. Max. memory is 7.1 GB. [2018-09-30 23:42:45,185 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 0.95 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 55.75 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 65.69 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 695.81 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 7818.21 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 21.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -53.7 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: 400]: 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: 239]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~3 == 4384 && ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: ssl3_connect_~s__state~3 == 4384 && ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4432 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || ssl3_connect_~blastFlag~3 <= 2 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((((ssl3_connect_~blastFlag~3 <= 4 && 4560 <= ssl3_connect_~s__s3__tmp__next_state___0~3) && ssl3_connect_~s__state~3 <= 4352) || ssl3_connect_~s__state~3 == 4368) || (ssl3_connect_~blastFlag~3 <= 4 && 4432 <= ssl3_connect_~s__state~3)) || (ssl3_connect_~blastFlag~3 <= 4 && ssl3_connect_~s__state~3 == 4416)) || ssl3_connect_~blastFlag~3 <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 13 OverallIterations, 13 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 385 SDtfs, 66 SDslu, 111 SDs, 0 SdLazy, 384 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=12, 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, 13 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 314 NumberOfFragments, 335 HoareAnnotationTreeSize, 16 FomulaSimplifications, 3068 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 177 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 71345 SizeOfPredicates, 2 NumberOfNonLiveVariables, 518 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2279/2289 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_3.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-42-45-201.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_3.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-42-45-201.csv Received shutdown request...