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-b2fde6a [2018-09-28 10:09:45,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:09:45,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:09:45,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:09:45,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:09:45,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:09:45,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:09:45,559 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:09:45,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:09:45,563 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:09:45,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:09:45,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:09:45,567 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:09:45,568 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:09:45,569 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:09:45,572 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:09:45,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:09:45,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:09:45,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:09:45,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:09:45,594 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:09:45,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:09:45,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-28 10:09:45,617 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-28 10:09:45,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:09:45,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:09:45,644 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:09:45,644 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:09:45,645 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:09:45,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:09:45,645 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:09:45,645 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:09:45,646 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:09:45,647 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:09:45,647 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:09:45,647 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:09:45,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:09:45,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:09:45,648 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:09:45,648 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:09:45,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:09:45,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:09:45,649 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:09:45,649 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:09:45,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:09:45,650 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:09:45,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:09:45,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:09:45,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:09:45,652 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:09:45,652 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:09:45,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:09:45,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:09:45,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:09:45,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:09:45,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:09:45,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:09:45,744 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:09:45,745 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:09:45,746 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl [2018-09-28 10:09:45,746 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl' [2018-09-28 10:09:45,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:09:45,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:09:45,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:45,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:09:45,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:09:45,871 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,888 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:09:45,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:09:45,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:09:45,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:09:45,915 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,915 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,924 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,925 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,940 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,943 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,945 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 28.09 10:09:45" (1/1) ... [2018-09-28 10:09:45,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:09:45,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:09:45,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:09:45,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:09:45,952 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 28.09 10:09:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:09:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:09:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:09:46,688 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:09:46,688 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:09:46 BoogieIcfgContainer [2018-09-28 10:09:46,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:09:46,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:09:46,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:09:46,693 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:09:46,693 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 28.09 10:09:45" (1/2) ... [2018-09-28 10:09:46,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77602eb4 and model type s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:09:46, skipping insertion in model container [2018-09-28 10:09:46,694 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 28.09 10:09:46" (2/2) ... [2018-09-28 10:09:46,696 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil.c_23.bpl [2018-09-28 10:09:46,706 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:09:46,717 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:09:46,763 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:09:46,764 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:09:46,764 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:09:46,764 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:09:46,764 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:09:46,764 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:09:46,765 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:09:46,765 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:09:46,765 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:09:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-09-28 10:09:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:09:46,788 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:46,789 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:46,790 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:46,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:46,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1511424245, now seen corresponding path program 1 times [2018-09-28 10:09:46,798 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:46,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:46,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:46,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:09:47,036 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:47,036 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:47,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:47,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:47,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:47,055 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2018-09-28 10:09:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:47,549 INFO L93 Difference]: Finished difference Result 60 states and 100 transitions. [2018-09-28 10:09:47,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:47,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-28 10:09:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:47,564 INFO L225 Difference]: With dead ends: 60 [2018-09-28 10:09:47,564 INFO L226 Difference]: Without dead ends: 36 [2018-09-28 10:09:47,569 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-09-28 10:09:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-09-28 10:09:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-28 10:09:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 60 transitions. [2018-09-28 10:09:47,613 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 60 transitions. Word has length 16 [2018-09-28 10:09:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:47,614 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 60 transitions. [2018-09-28 10:09:47,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-09-28 10:09:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 10:09:47,616 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:47,616 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:47,617 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:47,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1787958207, now seen corresponding path program 1 times [2018-09-28 10:09:47,617 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:47,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:47,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:47,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:47,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:09:47,724 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:47,724 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:47,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:47,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:47,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:47,728 INFO L87 Difference]: Start difference. First operand 36 states and 60 transitions. Second operand 3 states. [2018-09-28 10:09:47,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:47,923 INFO L93 Difference]: Finished difference Result 87 states and 147 transitions. [2018-09-28 10:09:47,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:47,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-09-28 10:09:47,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:47,925 INFO L225 Difference]: With dead ends: 87 [2018-09-28 10:09:47,926 INFO L226 Difference]: Without dead ends: 52 [2018-09-28 10:09:47,928 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:47,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-09-28 10:09:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-09-28 10:09:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-09-28 10:09:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 86 transitions. [2018-09-28 10:09:47,942 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 86 transitions. Word has length 24 [2018-09-28 10:09:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:47,943 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 86 transitions. [2018-09-28 10:09:47,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-09-28 10:09:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 10:09:47,945 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:47,945 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-28 10:09:47,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:47,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:47,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1179694243, now seen corresponding path program 1 times [2018-09-28 10:09:47,947 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:47,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:47,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:47,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:47,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-28 10:09:48,028 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:48,028 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:48,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:48,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:48,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:48,029 INFO L87 Difference]: Start difference. First operand 52 states and 86 transitions. Second operand 3 states. [2018-09-28 10:09:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:48,309 INFO L93 Difference]: Finished difference Result 110 states and 183 transitions. [2018-09-28 10:09:48,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:48,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-28 10:09:48,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:48,311 INFO L225 Difference]: With dead ends: 110 [2018-09-28 10:09:48,311 INFO L226 Difference]: Without dead ends: 59 [2018-09-28 10:09:48,312 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-09-28 10:09:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-09-28 10:09:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-28 10:09:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 95 transitions. [2018-09-28 10:09:48,325 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 95 transitions. Word has length 31 [2018-09-28 10:09:48,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:48,325 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 95 transitions. [2018-09-28 10:09:48,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2018-09-28 10:09:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 10:09:48,327 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:48,327 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] [2018-09-28 10:09:48,328 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:48,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:48,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1680558917, now seen corresponding path program 1 times [2018-09-28 10:09:48,329 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:48,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:48,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:48,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:48,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:09:48,404 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:48,404 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:48,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:48,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:48,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:48,405 INFO L87 Difference]: Start difference. First operand 59 states and 95 transitions. Second operand 3 states. [2018-09-28 10:09:48,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:48,686 INFO L93 Difference]: Finished difference Result 135 states and 220 transitions. [2018-09-28 10:09:48,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:48,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-09-28 10:09:48,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:48,688 INFO L225 Difference]: With dead ends: 135 [2018-09-28 10:09:48,688 INFO L226 Difference]: Without dead ends: 76 [2018-09-28 10:09:48,689 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:48,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-09-28 10:09:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-09-28 10:09:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-09-28 10:09:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 123 transitions. [2018-09-28 10:09:48,703 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 123 transitions. Word has length 31 [2018-09-28 10:09:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:48,703 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 123 transitions. [2018-09-28 10:09:48,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2018-09-28 10:09:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 10:09:48,705 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:48,705 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] [2018-09-28 10:09:48,706 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:48,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:48,706 INFO L82 PathProgramCache]: Analyzing trace with hash -2026096289, now seen corresponding path program 1 times [2018-09-28 10:09:48,706 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:48,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:48,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:48,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:48,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-28 10:09:48,778 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:48,778 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:48,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:48,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:48,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:48,780 INFO L87 Difference]: Start difference. First operand 76 states and 123 transitions. Second operand 3 states. [2018-09-28 10:09:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:49,225 INFO L93 Difference]: Finished difference Result 157 states and 255 transitions. [2018-09-28 10:09:49,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:49,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-09-28 10:09:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:49,227 INFO L225 Difference]: With dead ends: 157 [2018-09-28 10:09:49,227 INFO L226 Difference]: Without dead ends: 82 [2018-09-28 10:09:49,228 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-09-28 10:09:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-09-28 10:09:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-09-28 10:09:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 128 transitions. [2018-09-28 10:09:49,258 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 128 transitions. Word has length 37 [2018-09-28 10:09:49,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:49,258 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 128 transitions. [2018-09-28 10:09:49,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 128 transitions. [2018-09-28 10:09:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 10:09:49,260 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:49,261 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] [2018-09-28 10:09:49,261 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:49,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:49,261 INFO L82 PathProgramCache]: Analyzing trace with hash -865281023, now seen corresponding path program 1 times [2018-09-28 10:09:49,262 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:49,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:49,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:49,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-28 10:09:49,352 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:49,352 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:49,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:49,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:49,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,354 INFO L87 Difference]: Start difference. First operand 82 states and 128 transitions. Second operand 3 states. [2018-09-28 10:09:49,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:49,494 INFO L93 Difference]: Finished difference Result 168 states and 263 transitions. [2018-09-28 10:09:49,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:49,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-09-28 10:09:49,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:49,496 INFO L225 Difference]: With dead ends: 168 [2018-09-28 10:09:49,496 INFO L226 Difference]: Without dead ends: 87 [2018-09-28 10:09:49,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-09-28 10:09:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-09-28 10:09:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-09-28 10:09:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2018-09-28 10:09:49,512 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 42 [2018-09-28 10:09:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:49,513 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2018-09-28 10:09:49,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-09-28 10:09:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 10:09:49,515 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:49,515 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] [2018-09-28 10:09:49,515 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:49,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:49,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1951176091, now seen corresponding path program 1 times [2018-09-28 10:09:49,517 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:49,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:49,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:49,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-28 10:09:49,587 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:49,587 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:49,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:49,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:49,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,588 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2018-09-28 10:09:49,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:49,853 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2018-09-28 10:09:49,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:49,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-09-28 10:09:49,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:49,855 INFO L225 Difference]: With dead ends: 185 [2018-09-28 10:09:49,855 INFO L226 Difference]: Without dead ends: 98 [2018-09-28 10:09:49,856 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-28 10:09:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-28 10:09:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-28 10:09:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 143 transitions. [2018-09-28 10:09:49,873 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 143 transitions. Word has length 45 [2018-09-28 10:09:49,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:49,874 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 143 transitions. [2018-09-28 10:09:49,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:49,874 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2018-09-28 10:09:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 10:09:49,876 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:49,876 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] [2018-09-28 10:09:49,876 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:49,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:49,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2094171455, now seen corresponding path program 1 times [2018-09-28 10:09:49,877 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:49,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:49,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-28 10:09:49,965 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:49,966 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:09:49,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:49,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:49,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:49,967 INFO L87 Difference]: Start difference. First operand 98 states and 143 transitions. Second operand 3 states. [2018-09-28 10:09:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:50,243 INFO L93 Difference]: Finished difference Result 285 states and 418 transitions. [2018-09-28 10:09:50,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:50,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-09-28 10:09:50,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:50,245 INFO L225 Difference]: With dead ends: 285 [2018-09-28 10:09:50,245 INFO L226 Difference]: Without dead ends: 188 [2018-09-28 10:09:50,246 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-09-28 10:09:50,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-09-28 10:09:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-09-28 10:09:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2018-09-28 10:09:50,276 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 46 [2018-09-28 10:09:50,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:50,276 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2018-09-28 10:09:50,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2018-09-28 10:09:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 10:09:50,278 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:50,279 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] [2018-09-28 10:09:50,279 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:50,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:50,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1814017687, now seen corresponding path program 1 times [2018-09-28 10:09:50,282 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:50,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:50,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:50,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:50,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 10:09:50,498 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:09:50,498 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 10:09:50,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:50,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:09:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-28 10:09:50,650 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-28 10:09:50,651 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-28 10:09:50,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-28 10:09:50,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-28 10:09:50,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-28 10:09:50,652 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 5 states. [2018-09-28 10:09:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:51,811 INFO L93 Difference]: Finished difference Result 695 states and 974 transitions. [2018-09-28 10:09:51,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-28 10:09:51,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-09-28 10:09:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:51,815 INFO L225 Difference]: With dead ends: 695 [2018-09-28 10:09:51,815 INFO L226 Difference]: Without dead ends: 486 [2018-09-28 10:09:51,817 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-28 10:09:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-09-28 10:09:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 280. [2018-09-28 10:09:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-09-28 10:09:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2018-09-28 10:09:51,869 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 49 [2018-09-28 10:09:51,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:51,870 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2018-09-28 10:09:51,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-28 10:09:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-09-28 10:09:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 10:09:51,872 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:51,872 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] [2018-09-28 10:09:51,873 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:51,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:51,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1561426047, now seen corresponding path program 1 times [2018-09-28 10:09:51,873 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:51,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:51,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:51,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:51,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-09-28 10:09:51,915 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:51,915 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:51,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:51,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:51,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:51,916 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand 3 states. [2018-09-28 10:09:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:52,181 INFO L93 Difference]: Finished difference Result 466 states and 642 transitions. [2018-09-28 10:09:52,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:52,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-09-28 10:09:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:52,183 INFO L225 Difference]: With dead ends: 466 [2018-09-28 10:09:52,184 INFO L226 Difference]: Without dead ends: 279 [2018-09-28 10:09:52,185 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-09-28 10:09:52,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-09-28 10:09:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-09-28 10:09:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 378 transitions. [2018-09-28 10:09:52,226 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 378 transitions. Word has length 68 [2018-09-28 10:09:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:52,227 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 378 transitions. [2018-09-28 10:09:52,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 378 transitions. [2018-09-28 10:09:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 10:09:52,228 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:52,229 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] [2018-09-28 10:09:52,229 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:52,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:52,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1819686273, now seen corresponding path program 1 times [2018-09-28 10:09:52,230 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:52,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:52,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:52,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:52,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-09-28 10:09:52,314 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:52,315 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:52,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:52,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:52,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:52,316 INFO L87 Difference]: Start difference. First operand 279 states and 378 transitions. Second operand 3 states. [2018-09-28 10:09:52,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:52,640 INFO L93 Difference]: Finished difference Result 464 states and 636 transitions. [2018-09-28 10:09:52,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:52,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-09-28 10:09:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:52,644 INFO L225 Difference]: With dead ends: 464 [2018-09-28 10:09:52,644 INFO L226 Difference]: Without dead ends: 278 [2018-09-28 10:09:52,645 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:52,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-09-28 10:09:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-09-28 10:09:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-09-28 10:09:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 374 transitions. [2018-09-28 10:09:52,688 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 374 transitions. Word has length 72 [2018-09-28 10:09:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:52,689 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 374 transitions. [2018-09-28 10:09:52,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 374 transitions. [2018-09-28 10:09:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 10:09:52,690 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:52,690 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] [2018-09-28 10:09:52,691 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:52,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:52,691 INFO L82 PathProgramCache]: Analyzing trace with hash 642028047, now seen corresponding path program 1 times [2018-09-28 10:09:52,691 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:52,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:52,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:52,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:52,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-09-28 10:09:52,774 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:52,775 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:52,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:52,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:52,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:52,776 INFO L87 Difference]: Start difference. First operand 278 states and 374 transitions. Second operand 3 states. [2018-09-28 10:09:52,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:52,925 INFO L93 Difference]: Finished difference Result 548 states and 739 transitions. [2018-09-28 10:09:52,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:52,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-09-28 10:09:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:52,929 INFO L225 Difference]: With dead ends: 548 [2018-09-28 10:09:52,929 INFO L226 Difference]: Without dead ends: 276 [2018-09-28 10:09:52,930 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:52,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-09-28 10:09:52,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2018-09-28 10:09:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-09-28 10:09:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 364 transitions. [2018-09-28 10:09:52,970 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 364 transitions. Word has length 77 [2018-09-28 10:09:52,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:52,971 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 364 transitions. [2018-09-28 10:09:52,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 364 transitions. [2018-09-28 10:09:52,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-28 10:09:52,972 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:52,972 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] [2018-09-28 10:09:52,973 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:52,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:52,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1765416395, now seen corresponding path program 1 times [2018-09-28 10:09:52,973 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:52,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:52,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:52,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:52,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-09-28 10:09:53,095 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:53,095 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:53,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:53,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:53,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:53,096 INFO L87 Difference]: Start difference. First operand 276 states and 364 transitions. Second operand 3 states. [2018-09-28 10:09:53,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:53,466 INFO L93 Difference]: Finished difference Result 543 states and 718 transitions. [2018-09-28 10:09:53,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:53,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-09-28 10:09:53,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:53,471 INFO L225 Difference]: With dead ends: 543 [2018-09-28 10:09:53,471 INFO L226 Difference]: Without dead ends: 274 [2018-09-28 10:09:53,472 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-09-28 10:09:53,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2018-09-28 10:09:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-09-28 10:09:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 354 transitions. [2018-09-28 10:09:53,514 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 354 transitions. Word has length 83 [2018-09-28 10:09:53,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:53,515 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 354 transitions. [2018-09-28 10:09:53,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 354 transitions. [2018-09-28 10:09:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 10:09:53,516 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:53,516 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] [2018-09-28 10:09:53,517 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:53,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:53,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1105856767, now seen corresponding path program 1 times [2018-09-28 10:09:53,517 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:53,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:53,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:53,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:53,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-09-28 10:09:53,638 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:53,639 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:53,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:53,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:53,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:53,640 INFO L87 Difference]: Start difference. First operand 274 states and 354 transitions. Second operand 3 states. [2018-09-28 10:09:54,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:54,131 INFO L93 Difference]: Finished difference Result 543 states and 705 transitions. [2018-09-28 10:09:54,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:54,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2018-09-28 10:09:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:54,133 INFO L225 Difference]: With dead ends: 543 [2018-09-28 10:09:54,133 INFO L226 Difference]: Without dead ends: 277 [2018-09-28 10:09:54,134 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-09-28 10:09:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-09-28 10:09:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-09-28 10:09:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 352 transitions. [2018-09-28 10:09:54,175 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 352 transitions. Word has length 90 [2018-09-28 10:09:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:54,175 INFO L480 AbstractCegarLoop]: Abstraction has 277 states and 352 transitions. [2018-09-28 10:09:54,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 352 transitions. [2018-09-28 10:09:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 10:09:54,176 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:54,176 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] [2018-09-28 10:09:54,177 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:54,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1448402059, now seen corresponding path program 1 times [2018-09-28 10:09:54,177 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:54,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:54,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:54,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:54,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-09-28 10:09:54,277 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:54,277 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:54,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:54,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:54,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:54,278 INFO L87 Difference]: Start difference. First operand 277 states and 352 transitions. Second operand 3 states. [2018-09-28 10:09:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:54,681 INFO L93 Difference]: Finished difference Result 576 states and 736 transitions. [2018-09-28 10:09:54,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:54,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-09-28 10:09:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:54,684 INFO L225 Difference]: With dead ends: 576 [2018-09-28 10:09:54,684 INFO L226 Difference]: Without dead ends: 307 [2018-09-28 10:09:54,685 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-09-28 10:09:54,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-09-28 10:09:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-09-28 10:09:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 382 transitions. [2018-09-28 10:09:54,721 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 382 transitions. Word has length 98 [2018-09-28 10:09:54,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:54,722 INFO L480 AbstractCegarLoop]: Abstraction has 307 states and 382 transitions. [2018-09-28 10:09:54,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 382 transitions. [2018-09-28 10:09:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 10:09:54,723 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:54,723 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] [2018-09-28 10:09:54,723 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:54,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:54,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1388837957, now seen corresponding path program 1 times [2018-09-28 10:09:54,724 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:54,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:54,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:54,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:54,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-09-28 10:09:54,834 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:54,834 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:54,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:54,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:54,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:54,835 INFO L87 Difference]: Start difference. First operand 307 states and 382 transitions. Second operand 3 states. [2018-09-28 10:09:55,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:55,166 INFO L93 Difference]: Finished difference Result 606 states and 764 transitions. [2018-09-28 10:09:55,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:55,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-09-28 10:09:55,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:55,169 INFO L225 Difference]: With dead ends: 606 [2018-09-28 10:09:55,169 INFO L226 Difference]: Without dead ends: 403 [2018-09-28 10:09:55,170 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-09-28 10:09:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-09-28 10:09:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-28 10:09:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 505 transitions. [2018-09-28 10:09:55,218 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 505 transitions. Word has length 108 [2018-09-28 10:09:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:55,218 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 505 transitions. [2018-09-28 10:09:55,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 505 transitions. [2018-09-28 10:09:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-28 10:09:55,220 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:55,220 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] [2018-09-28 10:09:55,221 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:55,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:55,221 INFO L82 PathProgramCache]: Analyzing trace with hash 816352441, now seen corresponding path program 1 times [2018-09-28 10:09:55,221 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:55,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:55,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:55,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:55,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-09-28 10:09:55,342 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:09:55,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-28 10:09:55,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:09:55,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:09:55,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:55,343 INFO L87 Difference]: Start difference. First operand 403 states and 505 transitions. Second operand 3 states. [2018-09-28 10:09:55,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:55,546 INFO L93 Difference]: Finished difference Result 798 states and 1001 transitions. [2018-09-28 10:09:55,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:09:55,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-09-28 10:09:55,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:55,551 INFO L225 Difference]: With dead ends: 798 [2018-09-28 10:09:55,551 INFO L226 Difference]: Without dead ends: 403 [2018-09-28 10:09:55,552 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-28 10:09:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-09-28 10:09:55,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-09-28 10:09:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-09-28 10:09:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 486 transitions. [2018-09-28 10:09:55,598 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 486 transitions. Word has length 148 [2018-09-28 10:09:55,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:55,598 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 486 transitions. [2018-09-28 10:09:55,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:09:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 486 transitions. [2018-09-28 10:09:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-28 10:09:55,601 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:09:55,601 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] [2018-09-28 10:09:55,602 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:09:55,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:09:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash 155947305, now seen corresponding path program 1 times [2018-09-28 10:09:55,602 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:09:55,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:09:55,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:55,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:55,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:09:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 741 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-28 10:09:55,829 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:09:55,829 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 10:09:55,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:09:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:09:55,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:09:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2018-09-28 10:09:56,142 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-28 10:09:56,142 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-28 10:09:56,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-28 10:09:56,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-28 10:09:56,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-28 10:09:56,144 INFO L87 Difference]: Start difference. First operand 403 states and 486 transitions. Second operand 5 states. [2018-09-28 10:09:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:09:56,680 INFO L93 Difference]: Finished difference Result 643 states and 775 transitions. [2018-09-28 10:09:56,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-28 10:09:56,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 191 [2018-09-28 10:09:56,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:09:56,681 INFO L225 Difference]: With dead ends: 643 [2018-09-28 10:09:56,681 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:09:56,682 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 [2018-09-28 10:09:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:09:56,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:09:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:09:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:09:56,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2018-09-28 10:09:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:09:56,683 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:09:56,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-28 10:09:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:09:56,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:09:56,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:09:56,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:56,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:57,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-28 10:09:58,502 WARN L178 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-28 10:09:58,727 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-28 10:09:58,993 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-28 10:09:59,169 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-09-28 10:09:59,393 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-28 10:09:59,548 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2018-09-28 10:09:59,695 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-09-28 10:09:59,895 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2018-09-28 10:10:00,035 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-09-28 10:10:00,292 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 26 [2018-09-28 10:10:00,502 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-09-28 10:10:00,729 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2018-09-28 10:10:00,883 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-09-28 10:10:00,910 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))) [2018-09-28 10:10:00,911 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)))) [2018-09-28 10:10:00,911 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)) [2018-09-28 10:10:00,912 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))) [2018-09-28 10:10:00,912 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) no Hoare annotation was computed. [2018-09-28 10:10:00,912 INFO L422 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-09-28 10:10:00,912 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 517) no Hoare annotation was computed. [2018-09-28 10:10:00,912 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)))) [2018-09-28 10:10:00,912 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 517) no Hoare annotation was computed. [2018-09-28 10:10:00,913 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))) [2018-09-28 10:10:00,913 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 517) no Hoare annotation was computed. [2018-09-28 10:10:00,913 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)))) [2018-09-28 10:10:00,913 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)))) [2018-09-28 10:10:00,913 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))) [2018-09-28 10:10:00,913 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))) [2018-09-28 10:10:00,913 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)))) [2018-09-28 10:10:00,914 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))) [2018-09-28 10:10:00,914 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)))) [2018-09-28 10:10:00,914 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)))) [2018-09-28 10:10:00,914 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))))) [2018-09-28 10:10:00,914 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)))) [2018-09-28 10:10:00,915 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))) [2018-09-28 10:10:00,915 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)) [2018-09-28 10:10:00,915 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))) [2018-09-28 10:10:00,915 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)) [2018-09-28 10:10:00,934 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:10:00 BoogieIcfgContainer [2018-09-28 10:10:00,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:10:00,935 INFO L168 Benchmark]: Toolchain (without parser) took 15087.31 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 134.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Peak memory consumption was 595.9 MB. Max. memory is 7.1 GB. [2018-09-28 10:10:00,936 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:10:00,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:10:00,937 INFO L168 Benchmark]: Boogie Preprocessor took 46.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:10:00,938 INFO L168 Benchmark]: RCFGBuilder took 738.03 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-28 10:10:00,939 INFO L168 Benchmark]: TraceAbstraction took 14244.66 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 134.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 94.0 MB). Peak memory consumption was 553.6 MB. Max. memory is 7.1 GB. [2018-09-28 10:10:00,943 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 52.16 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 46.32 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 738.03 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14244.66 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 134.2 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 94.0 MB). Peak memory consumption was 553.6 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, 14.1s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 507 SDtfs, 212 SDslu, 262 SDs, 0 SdLazy, 683 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s 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, 0.4s HoareSimplificationTime, 21 FomulaSimplificationsInter, 2497 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s 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-0-2018-09-28_10-10-00-965.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-0-2018-09-28_10-10-00-965.csv Received shutdown request...