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_srvr_1.cil.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:43:03,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:43:03,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:43:03,582 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-09-30 23:43:03,631 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 23:43:03,658 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:43:03,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:43:03,659 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:43:03,659 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:43:03,660 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:43:03,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:43:03,660 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:43:03,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:43:03,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:43:03,663 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:43:03,663 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:43:03,663 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:43:03,663 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:43:03,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:43:03,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:43:03,665 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:43:03,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:43:03,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:43:03,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:43:03,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:43:03,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:43:03,666 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:43:03,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:43:03,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:43:03,667 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:43:03,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:43:03,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:43:03,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:43:03,743 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:43:03,743 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:43:03,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl [2018-09-30 23:43:03,744 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl' [2018-09-30 23:43:03,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:43:03,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:43:03,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:43:03,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:43:03,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:43:03,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:43:03,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:43:03,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:43:03,879 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:43:03,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/1) ... [2018-09-30 23:43:03,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:43:03,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:43:03,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:43:03,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:43:03,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (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 23:43:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:43:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:43:04,786 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:43:04,786 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:43:04 BoogieIcfgContainer [2018-09-30 23:43:04,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:43:04,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:43:04,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:43:04,791 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:43:04,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:43:03" (1/2) ... [2018-09-30 23:43:04,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f43b9 and model type s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:43:04, skipping insertion in model container [2018-09-30 23:43:04,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:43:04" (2/2) ... [2018-09-30 23:43:04,794 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil.c_23.bpl [2018-09-30 23:43:04,803 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:43:04,811 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:43:04,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:43:04,859 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:43:04,859 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:43:04,860 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:43:04,860 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:43:04,860 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:43:04,860 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:43:04,860 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:43:04,860 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:43:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-09-30 23:43:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:43:04,883 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:04,884 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:04,885 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:04,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:04,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1511424245, now seen corresponding path program 1 times [2018-09-30 23:43:04,893 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:04,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:04,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:04,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:04,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:05,113 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 23:43:05,116 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:05,116 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:05,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:05,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:05,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:05,134 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2018-09-30 23:43:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:05,526 INFO L93 Difference]: Finished difference Result 60 states and 100 transitions. [2018-09-30 23:43:05,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:05,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 23:43:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:05,540 INFO L225 Difference]: With dead ends: 60 [2018-09-30 23:43:05,540 INFO L226 Difference]: Without dead ends: 36 [2018-09-30 23:43:05,546 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 23:43:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-09-30 23:43:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-09-30 23:43:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-30 23:43:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 60 transitions. [2018-09-30 23:43:05,587 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 60 transitions. Word has length 16 [2018-09-30 23:43:05,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:05,587 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 60 transitions. [2018-09-30 23:43:05,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-09-30 23:43:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 23:43:05,589 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:05,589 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:05,590 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:05,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:05,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1787958207, now seen corresponding path program 1 times [2018-09-30 23:43:05,590 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:05,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:05,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:05,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:05,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:43:05,680 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:05,680 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:05,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:05,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:05,683 INFO L87 Difference]: Start difference. First operand 36 states and 60 transitions. Second operand 3 states. [2018-09-30 23:43:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:05,886 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2018-09-30 23:43:05,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:05,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-30 23:43:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:05,889 INFO L225 Difference]: With dead ends: 87 [2018-09-30 23:43:05,889 INFO L226 Difference]: Without dead ends: 52 [2018-09-30 23:43:05,891 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 23:43:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-09-30 23:43:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-09-30 23:43:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-09-30 23:43:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 86 transitions. [2018-09-30 23:43:05,918 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 86 transitions. Word has length 24 [2018-09-30 23:43:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:05,920 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 86 transitions. [2018-09-30 23:43:05,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-09-30 23:43:05,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 23:43:05,922 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:05,923 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:05,923 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:05,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1179694243, now seen corresponding path program 1 times [2018-09-30 23:43:05,927 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:05,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:05,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:05,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:05,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 23:43:06,069 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:06,069 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:06,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:06,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:06,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:06,073 INFO L87 Difference]: Start difference. First operand 52 states and 86 transitions. Second operand 3 states. [2018-09-30 23:43:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:06,283 INFO L93 Difference]: Finished difference Result 110 states and 183 transitions. [2018-09-30 23:43:06,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:06,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-30 23:43:06,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:06,286 INFO L225 Difference]: With dead ends: 110 [2018-09-30 23:43:06,286 INFO L226 Difference]: Without dead ends: 59 [2018-09-30 23:43:06,287 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 23:43:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-09-30 23:43:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-09-30 23:43:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-30 23:43:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 95 transitions. [2018-09-30 23:43:06,305 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 95 transitions. Word has length 31 [2018-09-30 23:43:06,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:06,306 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 95 transitions. [2018-09-30 23:43:06,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2018-09-30 23:43:06,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 23:43:06,308 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:06,308 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:06,308 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:06,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:06,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1680558917, now seen corresponding path program 1 times [2018-09-30 23:43:06,309 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:06,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:06,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:06,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:06,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:43:06,425 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:06,426 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:06,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:06,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:06,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:06,427 INFO L87 Difference]: Start difference. First operand 59 states and 95 transitions. Second operand 3 states. [2018-09-30 23:43:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:06,818 INFO L93 Difference]: Finished difference Result 135 states and 220 transitions. [2018-09-30 23:43:06,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:06,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-30 23:43:06,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:06,819 INFO L225 Difference]: With dead ends: 135 [2018-09-30 23:43:06,820 INFO L226 Difference]: Without dead ends: 76 [2018-09-30 23:43:06,820 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 23:43:06,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-30 23:43:06,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-09-30 23:43:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-09-30 23:43:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 123 transitions. [2018-09-30 23:43:06,834 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 123 transitions. Word has length 31 [2018-09-30 23:43:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:06,834 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 123 transitions. [2018-09-30 23:43:06,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2018-09-30 23:43:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 23:43:06,836 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:06,836 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:06,837 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:06,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2026096289, now seen corresponding path program 1 times [2018-09-30 23:43:06,837 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:06,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:06,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:06,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:06,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-30 23:43:06,901 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:06,901 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:06,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:06,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:06,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:06,903 INFO L87 Difference]: Start difference. First operand 76 states and 123 transitions. Second operand 3 states. [2018-09-30 23:43:07,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:07,258 INFO L93 Difference]: Finished difference Result 157 states and 255 transitions. [2018-09-30 23:43:07,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:07,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-30 23:43:07,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:07,262 INFO L225 Difference]: With dead ends: 157 [2018-09-30 23:43:07,262 INFO L226 Difference]: Without dead ends: 82 [2018-09-30 23:43:07,263 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 23:43:07,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-30 23:43:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-30 23:43:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-30 23:43:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 128 transitions. [2018-09-30 23:43:07,288 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 128 transitions. Word has length 37 [2018-09-30 23:43:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:07,289 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 128 transitions. [2018-09-30 23:43:07,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2018-09-30 23:43:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 23:43:07,291 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:07,291 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:07,291 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:07,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:07,292 INFO L82 PathProgramCache]: Analyzing trace with hash -865281023, now seen corresponding path program 1 times [2018-09-30 23:43:07,292 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:07,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:07,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:07,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-30 23:43:07,336 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:07,337 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:07,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:07,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:07,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:07,338 INFO L87 Difference]: Start difference. First operand 82 states and 128 transitions. Second operand 3 states. [2018-09-30 23:43:07,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:07,592 INFO L93 Difference]: Finished difference Result 168 states and 263 transitions. [2018-09-30 23:43:07,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:07,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-09-30 23:43:07,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:07,594 INFO L225 Difference]: With dead ends: 168 [2018-09-30 23:43:07,594 INFO L226 Difference]: Without dead ends: 87 [2018-09-30 23:43:07,596 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 23:43:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-30 23:43:07,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-09-30 23:43:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-09-30 23:43:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2018-09-30 23:43:07,612 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 42 [2018-09-30 23:43:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:07,612 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2018-09-30 23:43:07,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-09-30 23:43:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 23:43:07,614 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:07,614 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:07,615 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:07,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:07,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1951176091, now seen corresponding path program 1 times [2018-09-30 23:43:07,615 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:07,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:07,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:07,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-30 23:43:07,666 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:07,666 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:07,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:07,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:07,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:07,667 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2018-09-30 23:43:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:07,821 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2018-09-30 23:43:07,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:07,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-09-30 23:43:07,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:07,823 INFO L225 Difference]: With dead ends: 185 [2018-09-30 23:43:07,823 INFO L226 Difference]: Without dead ends: 98 [2018-09-30 23:43:07,824 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 23:43:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-30 23:43:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-30 23:43:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-30 23:43:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 143 transitions. [2018-09-30 23:43:07,842 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 143 transitions. Word has length 45 [2018-09-30 23:43:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:07,843 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 143 transitions. [2018-09-30 23:43:07,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2018-09-30 23:43:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 23:43:07,845 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:07,845 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:07,845 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:07,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:07,846 INFO L82 PathProgramCache]: Analyzing trace with hash 2094171455, now seen corresponding path program 1 times [2018-09-30 23:43:07,846 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:07,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:07,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:07,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-30 23:43:07,923 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:07,923 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:43:07,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:07,924 INFO L87 Difference]: Start difference. First operand 98 states and 143 transitions. Second operand 3 states. [2018-09-30 23:43:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:08,172 INFO L93 Difference]: Finished difference Result 285 states and 418 transitions. [2018-09-30 23:43:08,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:08,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-09-30 23:43:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:08,174 INFO L225 Difference]: With dead ends: 285 [2018-09-30 23:43:08,174 INFO L226 Difference]: Without dead ends: 188 [2018-09-30 23:43:08,175 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 23:43:08,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-09-30 23:43:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-09-30 23:43:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-09-30 23:43:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2018-09-30 23:43:08,229 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 46 [2018-09-30 23:43:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:08,229 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2018-09-30 23:43:08,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2018-09-30 23:43:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 23:43:08,235 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:08,237 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:08,238 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:08,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:08,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1814017687, now seen corresponding path program 1 times [2018-09-30 23:43:08,238 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:08,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:08,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:08,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:08,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 23:43:08,394 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:43:08,394 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 23:43:08,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:08,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:43:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 23:43:08,672 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 23:43:08,672 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-30 23:43:08,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-30 23:43:08,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-30 23:43:08,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-30 23:43:08,673 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 5 states. [2018-09-30 23:43:10,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:10,099 INFO L93 Difference]: Finished difference Result 695 states and 974 transitions. [2018-09-30 23:43:10,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 23:43:10,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-09-30 23:43:10,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:10,102 INFO L225 Difference]: With dead ends: 695 [2018-09-30 23:43:10,102 INFO L226 Difference]: Without dead ends: 486 [2018-09-30 23:43:10,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-30 23:43:10,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-09-30 23:43:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 280. [2018-09-30 23:43:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-09-30 23:43:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2018-09-30 23:43:10,156 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 49 [2018-09-30 23:43:10,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:10,157 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2018-09-30 23:43:10,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-30 23:43:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-09-30 23:43:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 23:43:10,160 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:10,160 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:10,165 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:10,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:10,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1561426047, now seen corresponding path program 1 times [2018-09-30 23:43:10,166 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:10,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:10,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:10,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-09-30 23:43:10,271 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:10,271 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:10,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:10,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:10,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:10,272 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand 3 states. [2018-09-30 23:43:10,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:10,422 INFO L93 Difference]: Finished difference Result 466 states and 642 transitions. [2018-09-30 23:43:10,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:10,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-09-30 23:43:10,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:10,424 INFO L225 Difference]: With dead ends: 466 [2018-09-30 23:43:10,425 INFO L226 Difference]: Without dead ends: 279 [2018-09-30 23:43:10,426 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 23:43:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-09-30 23:43:10,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-09-30 23:43:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-09-30 23:43:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 378 transitions. [2018-09-30 23:43:10,467 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 378 transitions. Word has length 68 [2018-09-30 23:43:10,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:10,468 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 378 transitions. [2018-09-30 23:43:10,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 378 transitions. [2018-09-30 23:43:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 23:43:10,469 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:10,470 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:10,470 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:10,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:10,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1819686273, now seen corresponding path program 1 times [2018-09-30 23:43:10,470 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:10,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:10,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:10,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-09-30 23:43:10,557 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:10,557 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:10,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:10,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:10,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:10,558 INFO L87 Difference]: Start difference. First operand 279 states and 378 transitions. Second operand 3 states. [2018-09-30 23:43:10,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:10,726 INFO L93 Difference]: Finished difference Result 464 states and 636 transitions. [2018-09-30 23:43:10,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:10,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-09-30 23:43:10,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:10,729 INFO L225 Difference]: With dead ends: 464 [2018-09-30 23:43:10,729 INFO L226 Difference]: Without dead ends: 278 [2018-09-30 23:43:10,730 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 23:43:10,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-09-30 23:43:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-09-30 23:43:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-09-30 23:43:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 374 transitions. [2018-09-30 23:43:10,769 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 374 transitions. Word has length 72 [2018-09-30 23:43:10,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:10,770 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 374 transitions. [2018-09-30 23:43:10,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 374 transitions. [2018-09-30 23:43:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 23:43:10,771 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:10,771 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:10,772 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:10,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:10,772 INFO L82 PathProgramCache]: Analyzing trace with hash 642028047, now seen corresponding path program 1 times [2018-09-30 23:43:10,772 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:10,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:10,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:10,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-09-30 23:43:10,859 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:10,859 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:10,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:10,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:10,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:10,861 INFO L87 Difference]: Start difference. First operand 278 states and 374 transitions. Second operand 3 states. [2018-09-30 23:43:11,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:11,085 INFO L93 Difference]: Finished difference Result 548 states and 739 transitions. [2018-09-30 23:43:11,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:11,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-09-30 23:43:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:11,087 INFO L225 Difference]: With dead ends: 548 [2018-09-30 23:43:11,087 INFO L226 Difference]: Without dead ends: 276 [2018-09-30 23:43:11,088 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 23:43:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-09-30 23:43:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2018-09-30 23:43:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-09-30 23:43:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 364 transitions. [2018-09-30 23:43:11,126 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 364 transitions. Word has length 77 [2018-09-30 23:43:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:11,126 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 364 transitions. [2018-09-30 23:43:11,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 364 transitions. [2018-09-30 23:43:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 23:43:11,127 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:11,128 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:11,128 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:11,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:11,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1765416395, now seen corresponding path program 1 times [2018-09-30 23:43:11,128 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:11,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:11,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:11,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:11,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-30 23:43:11,252 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:11,252 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:11,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:11,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:11,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:11,253 INFO L87 Difference]: Start difference. First operand 276 states and 364 transitions. Second operand 3 states. [2018-09-30 23:43:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:11,682 INFO L93 Difference]: Finished difference Result 543 states and 718 transitions. [2018-09-30 23:43:11,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:11,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-09-30 23:43:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:11,686 INFO L225 Difference]: With dead ends: 543 [2018-09-30 23:43:11,686 INFO L226 Difference]: Without dead ends: 274 [2018-09-30 23:43:11,687 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 23:43:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-09-30 23:43:11,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2018-09-30 23:43:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-09-30 23:43:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 354 transitions. [2018-09-30 23:43:11,728 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 354 transitions. Word has length 83 [2018-09-30 23:43:11,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:11,729 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 354 transitions. [2018-09-30 23:43:11,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 354 transitions. [2018-09-30 23:43:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 23:43:11,730 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:11,730 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 6, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:11,731 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:11,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:11,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1105856767, now seen corresponding path program 1 times [2018-09-30 23:43:11,731 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:11,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:11,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:11,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:11,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-30 23:43:11,830 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:11,831 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:11,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:11,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:11,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:11,832 INFO L87 Difference]: Start difference. First operand 274 states and 354 transitions. Second operand 3 states. [2018-09-30 23:43:12,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:12,322 INFO L93 Difference]: Finished difference Result 543 states and 705 transitions. [2018-09-30 23:43:12,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:12,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2018-09-30 23:43:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:12,324 INFO L225 Difference]: With dead ends: 543 [2018-09-30 23:43:12,324 INFO L226 Difference]: Without dead ends: 277 [2018-09-30 23:43:12,325 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 23:43:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-09-30 23:43:12,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-09-30 23:43:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-09-30 23:43:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 352 transitions. [2018-09-30 23:43:12,360 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 352 transitions. Word has length 90 [2018-09-30 23:43:12,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:12,360 INFO L480 AbstractCegarLoop]: Abstraction has 277 states and 352 transitions. [2018-09-30 23:43:12,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 352 transitions. [2018-09-30 23:43:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 23:43:12,362 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:12,362 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 7, 6, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:12,362 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:12,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:12,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1448402059, now seen corresponding path program 1 times [2018-09-30 23:43:12,362 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:12,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:12,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:12,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:12,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-09-30 23:43:12,461 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:12,461 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:12,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:12,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:12,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:12,462 INFO L87 Difference]: Start difference. First operand 277 states and 352 transitions. Second operand 3 states. [2018-09-30 23:43:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:12,855 INFO L93 Difference]: Finished difference Result 576 states and 736 transitions. [2018-09-30 23:43:12,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:12,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-09-30 23:43:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:12,857 INFO L225 Difference]: With dead ends: 576 [2018-09-30 23:43:12,857 INFO L226 Difference]: Without dead ends: 307 [2018-09-30 23:43:12,859 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 23:43:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-09-30 23:43:12,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-09-30 23:43:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-09-30 23:43:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 382 transitions. [2018-09-30 23:43:12,897 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 382 transitions. Word has length 98 [2018-09-30 23:43:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:12,898 INFO L480 AbstractCegarLoop]: Abstraction has 307 states and 382 transitions. [2018-09-30 23:43:12,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 382 transitions. [2018-09-30 23:43:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 23:43:12,899 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:12,899 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:12,900 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:12,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:12,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1388837957, now seen corresponding path program 1 times [2018-09-30 23:43:12,900 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:12,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:12,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:12,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:12,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-09-30 23:43:13,047 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:13,048 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:13,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:13,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:13,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:13,049 INFO L87 Difference]: Start difference. First operand 307 states and 382 transitions. Second operand 3 states. [2018-09-30 23:43:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:13,372 INFO L93 Difference]: Finished difference Result 606 states and 764 transitions. [2018-09-30 23:43:13,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:13,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-09-30 23:43:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:13,377 INFO L225 Difference]: With dead ends: 606 [2018-09-30 23:43:13,377 INFO L226 Difference]: Without dead ends: 403 [2018-09-30 23:43:13,378 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 23:43:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-09-30 23:43:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-09-30 23:43:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-30 23:43:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 505 transitions. [2018-09-30 23:43:13,425 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 505 transitions. Word has length 108 [2018-09-30 23:43:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:13,425 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 505 transitions. [2018-09-30 23:43:13,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 505 transitions. [2018-09-30 23:43:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-30 23:43:13,428 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:13,429 INFO L375 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 12, 11, 10, 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, 1] [2018-09-30 23:43:13,429 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:13,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:13,429 INFO L82 PathProgramCache]: Analyzing trace with hash 816352441, now seen corresponding path program 1 times [2018-09-30 23:43:13,429 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:13,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:13,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:13,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:13,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-09-30 23:43:13,555 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:43:13,555 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:43:13,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:43:13,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:43:13,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:43:13,557 INFO L87 Difference]: Start difference. First operand 403 states and 505 transitions. Second operand 3 states. [2018-09-30 23:43:14,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:14,136 INFO L93 Difference]: Finished difference Result 798 states and 1001 transitions. [2018-09-30 23:43:14,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:43:14,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-09-30 23:43:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:14,139 INFO L225 Difference]: With dead ends: 798 [2018-09-30 23:43:14,139 INFO L226 Difference]: Without dead ends: 403 [2018-09-30 23:43:14,140 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 23:43:14,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-09-30 23:43:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-09-30 23:43:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-30 23:43:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 486 transitions. [2018-09-30 23:43:14,195 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 486 transitions. Word has length 148 [2018-09-30 23:43:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:14,196 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 486 transitions. [2018-09-30 23:43:14,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:43:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 486 transitions. [2018-09-30 23:43:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-30 23:43:14,199 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:43:14,199 INFO L375 BasicCegarLoop]: trace histogram [19, 18, 18, 17, 16, 15, 14, 12, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:43:14,199 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:43:14,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:43:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash 155947305, now seen corresponding path program 1 times [2018-09-30 23:43:14,200 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:43:14,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:43:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:14,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:43:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 741 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 23:43:14,390 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:43:14,390 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 23:43:14,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:43:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:43:14,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:43:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2018-09-30 23:43:14,692 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 23:43:14,693 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-30 23:43:14,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-30 23:43:14,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-30 23:43:14,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-30 23:43:14,694 INFO L87 Difference]: Start difference. First operand 403 states and 486 transitions. Second operand 5 states. [2018-09-30 23:43:14,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:43:14,866 INFO L93 Difference]: Finished difference Result 643 states and 775 transitions. [2018-09-30 23:43:14,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 23:43:14,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2018-09-30 23:43:14,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:43:14,867 INFO L225 Difference]: With dead ends: 643 [2018-09-30 23:43:14,869 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:43:14,870 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-30 23:43:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:43:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:43:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:43:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:43:14,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2018-09-30 23:43:14,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:43:14,872 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:43:14,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-30 23:43:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:43:14,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:43:14,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:43:14,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:14,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:14,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:14,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:14,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:15,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 23:43:16,470 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-30 23:43:16,855 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-30 23:43:17,128 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-30 23:43:17,266 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-09-30 23:43:17,462 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-30 23:43:17,639 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2018-09-30 23:43:17,877 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-09-30 23:43:18,130 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-09-30 23:43:18,296 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 26 [2018-09-30 23:43:18,407 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-09-30 23:43:18,647 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2018-09-30 23:43:18,802 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-30 23:43:18,832 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) no Hoare annotation was computed. [2018-09-30 23:43:18,832 INFO L422 ceAbstractionStarter]: At program point L444(lines 441 466) the Hoare annotation is: (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) [2018-09-30 23:43:18,833 INFO L422 ceAbstractionStarter]: At program point L337(lines 337 355) the Hoare annotation is: (let ((.cse1 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse1 .cse2 .cse3) (and .cse4 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,833 INFO L422 ceAbstractionStarter]: At program point L465(lines 465 487) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) [2018-09-30 23:43:18,833 INFO L422 ceAbstractionStarter]: At program point L457(lines 457 478) the Hoare annotation is: (and (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) [2018-09-30 23:43:18,833 INFO L422 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-09-30 23:43:18,833 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 517) no Hoare annotation was computed. [2018-09-30 23:43:18,833 INFO L422 ceAbstractionStarter]: At program point L317(lines 317 334) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse2 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse1 .cse2) (and .cse3 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse1 .cse2) (and .cse3 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,834 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 517) no Hoare annotation was computed. [2018-09-30 23:43:18,834 INFO L422 ceAbstractionStarter]: At program point L408(lines 408 420) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 8576) .cse1 .cse2 .cse3) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) .cse3))) [2018-09-30 23:43:18,834 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 517) no Hoare annotation was computed. [2018-09-30 23:43:18,834 INFO L422 ceAbstractionStarter]: At program point L285(lines 248 285) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,834 INFO L422 ceAbstractionStarter]: At program point L281(lines 281 300) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,834 INFO L422 ceAbstractionStarter]: At program point L393(lines 393 405) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 8576) .cse1 .cse2 .cse3) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) .cse3))) [2018-09-30 23:43:18,834 INFO L422 ceAbstractionStarter]: At program point L360(lines 360 371) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) (.cse2 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse3 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse5 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2 .cse3 .cse4 .cse5) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2 .cse3 .cse4 .cse5))) [2018-09-30 23:43:18,835 INFO L422 ceAbstractionStarter]: At program point L261(lines 261 277) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,835 INFO L422 ceAbstractionStarter]: At program point L480(lines 477 490) the Hoare annotation is: (and (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) [2018-09-30 23:43:18,835 INFO L422 ceAbstractionStarter]: At program point L505(lines 276 505) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,835 INFO L422 ceAbstractionStarter]: At program point L373(lines 373 390) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)))) [2018-09-30 23:43:18,835 INFO L422 ceAbstractionStarter]: At program point L435(lines 435 458) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (and .cse0 .cse1 (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~6))))) [2018-09-30 23:43:18,836 INFO L422 ceAbstractionStarter]: At program point L303(lines 303 314) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~6 3)) (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~6 8576) .cse2) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~6 8448)))) [2018-09-30 23:43:18,836 INFO L422 ceAbstractionStarter]: At program point L431(lines 431 442) the Hoare annotation is: (and (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6))) [2018-09-30 23:43:18,836 INFO L422 ceAbstractionStarter]: At program point L489(lines 489 512) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) [2018-09-30 23:43:18,836 INFO L422 ceAbstractionStarter]: At program point L423(lines 423 432) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~6))) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~6)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) (and (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse0 .cse1 .cse2 (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~6)) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~6)) .cse3) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 2) .cse3))) [2018-09-30 23:43:18,836 INFO L422 ceAbstractionStarter]: At program point L514(lines 486 514) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~6) (<= ULTIMATE.start_ssl3_accept_~blastFlag~6 3)) [2018-09-30 23:43:18,854 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:43:18 BoogieIcfgContainer [2018-09-30 23:43:18,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:43:18,855 INFO L168 Benchmark]: Toolchain (without parser) took 15031.33 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 162.1 MB). Peak memory consumption was 589.0 MB. Max. memory is 7.1 GB. [2018-09-30 23:43:18,857 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:43:18,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.29 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 23:43:18,858 INFO L168 Benchmark]: Boogie Preprocessor took 64.08 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 23:43:18,858 INFO L168 Benchmark]: RCFGBuilder took 843.15 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 23:43:18,859 INFO L168 Benchmark]: TraceAbstraction took 14067.11 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 557.2 MB. Max. memory is 7.1 GB. [2018-09-30 23:43:18,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.29 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 64.08 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 843.15 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 14067.11 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 123.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 130.4 MB). Peak memory consumption was 557.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 303]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2)) || (ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2)) || (ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2)) || (ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8448 == ssl3_accept_~s__state~6)) && ssl3_accept_~s__state~6 <= 8576) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8512 == ssl3_accept_~s__state~6)) || (8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3)) || ((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2)) || (ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((((!(8640 == ssl3_accept_~s__state~6) && !(8448 == ssl3_accept_~s__state~6)) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 3) && !(8512 == ssl3_accept_~s__state~6) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: ((((((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8448 == ssl3_accept_~s__state~6)) && ssl3_accept_~s__state~6 <= 8576) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8512 == ssl3_accept_~s__state~6)) || (8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3)) || ((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((((!(8640 == ssl3_accept_~s__state~6) && !(8448 == ssl3_accept_~s__state~6)) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2)) || (((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && !(8656 == ssl3_accept_~s__state~6)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || ((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || ((!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((((((!(8640 == ssl3_accept_~s__state~6) && !(8448 == ssl3_accept_~s__state~6)) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && !(8656 == ssl3_accept_~s__state~6)) && !(8512 == ssl3_accept_~s__state~6))) || ((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8656 == ssl3_accept_~s__state~6)) && !(8512 == ssl3_accept_~s__state~6) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || (((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (((!(8448 == ssl3_accept_~s__state~6) && !(8528 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8512 == ssl3_accept_~s__state~6))) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~6 && ssl3_accept_~blastFlag~6 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 <= 3)) || (!(8448 == ssl3_accept_~s__state~6) && ssl3_accept_~blastFlag~6 <= 2)) || (ssl3_accept_~s__s3__tmp__next_state___0~6 <= 8576 && ssl3_accept_~blastFlag~6 <= 2)) || ((ssl3_accept_~s__s3__tmp__next_state___0~6 <= 3 && ssl3_accept_~blastFlag~6 <= 3) && ssl3_accept_~s__state~6 == 8448) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: (((((!(8448 == ssl3_accept_~s__state~6) && !(8544 == ssl3_accept_~s__state~6)) && !(8528 == ssl3_accept_~s__state~6)) && !(8672 == ssl3_accept_~s__state~6)) && ssl3_accept_~blastFlag~6 <= 2) && !(8656 == ssl3_accept_~s__state~6)) && !(8512 == ssl3_accept_~s__state~6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 507 SDtfs, 212 SDslu, 262 SDs, 0 SdLazy, 683 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=16, 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: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 206 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 292 NumberOfFragments, 760 HoareAnnotationTreeSize, 21 FomulaSimplifications, 12583 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 21 FomulaSimplificationsInter, 2497 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1496 NumberOfCodeBlocks, 1496 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1476 ConstructedInterpolants, 0 QuantifiedInterpolants, 201255 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1211 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 5308/5324 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_srvr_1.cil.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-43-18-880.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1.cil.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-43-18-880.csv Received shutdown request...