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.BV.c.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:44:58,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:44:58,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:44:58,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 19:44:58,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 19:44:58,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 19:44:58,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 19:44:58,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 19:44:58,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 19:44:58,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 19:44:58,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 19:44:58,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 19:44:58,696 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 19:44:58,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 19:44:58,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 19:44:58,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 19:44:58,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 19:44:58,709 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 19:44:58,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 19:44:58,715 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 19:44:58,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 19:44:58,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 19:44:58,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 19:44:58,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 19:44:58,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 19:44:58,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 19:44:58,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 19:44:58,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 19:44:58,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 19:44:58,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 19:44:58,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 19:44:58,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 19:44:58,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 19:44:58,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 19:44:58,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 19:44:58,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 19:44:58,728 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 [2018-09-23 19:44:58,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:44:58,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:44:58,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:44:58,744 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:44:58,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:44:58,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:44:58,746 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:44:58,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:44:58,746 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:44:58,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:44:58,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:44:58,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:44:58,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:44:58,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:44:58,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:44:58,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:44:58,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:44:58,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:44:58,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:44:58,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:44:58,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:44:58,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:44:58,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:44:58,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:44:58,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:44:58,750 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:44:58,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:44:58,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:44:58,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:44:58,750 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:44:58,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:44:58,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:44:58,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:44:58,834 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:44:58,834 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:44:58,835 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.BV.c.cil.c_21.bpl [2018-09-23 19:44:58,836 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.BV.c.cil.c_21.bpl' [2018-09-23 19:44:58,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:44:58,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:44:58,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:58,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:44:58,928 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:44:58,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:44:58,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:44:58,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:44:58,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:44:58,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:58,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:59,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:59,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/1) ... [2018-09-23 19:44:59,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:44:59,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:44:59,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:44:59,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:44:59,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (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 [2018-09-23 19:44:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 19:44:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 19:44:59,811 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 19:44:59,812 INFO L202 PluginConnector]: Adding new model s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:59 BoogieIcfgContainer [2018-09-23 19:44:59,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:44:59,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:44:59,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:44:59,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:44:59,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:44:58" (1/2) ... [2018-09-23 19:44:59,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513c74d8 and model type s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:44:59, skipping insertion in model container [2018-09-23 19:44:59,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:44:59" (2/2) ... [2018-09-23 19:44:59,826 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c_21.bpl [2018-09-23 19:44:59,836 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:44:59,847 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:44:59,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:44:59,899 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:44:59,900 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:44:59,900 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:44:59,900 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:44:59,900 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:44:59,900 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:44:59,900 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:44:59,901 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:44:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-23 19:44:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 19:44:59,924 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:59,925 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:59,927 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:59,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:59,933 INFO L82 PathProgramCache]: Analyzing trace with hash -505433777, now seen corresponding path program 1 times [2018-09-23 19:44:59,936 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:59,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:59,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:59,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:59,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:45:00,232 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:00,232 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:00,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:00,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:00,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:00,257 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-09-23 19:45:00,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:00,745 INFO L93 Difference]: Finished difference Result 56 states and 94 transitions. [2018-09-23 19:45:00,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:00,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-09-23 19:45:00,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:00,764 INFO L225 Difference]: With dead ends: 56 [2018-09-23 19:45:00,764 INFO L226 Difference]: Without dead ends: 34 [2018-09-23 19:45:00,768 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 [2018-09-23 19:45:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-09-23 19:45:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-09-23 19:45:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-23 19:45:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2018-09-23 19:45:00,814 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 15 [2018-09-23 19:45:00,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:00,815 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2018-09-23 19:45:00,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-09-23 19:45:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 19:45:00,817 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:00,817 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:00,818 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:00,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:00,818 INFO L82 PathProgramCache]: Analyzing trace with hash -912155323, now seen corresponding path program 1 times [2018-09-23 19:45:00,818 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:00,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:00,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:00,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:00,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:45:00,908 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:00,909 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:00,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:00,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:00,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:00,912 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 3 states. [2018-09-23 19:45:01,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:01,129 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2018-09-23 19:45:01,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:01,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-23 19:45:01,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:01,132 INFO L225 Difference]: With dead ends: 83 [2018-09-23 19:45:01,132 INFO L226 Difference]: Without dead ends: 50 [2018-09-23 19:45:01,134 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 [2018-09-23 19:45:01,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-23 19:45:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-09-23 19:45:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-23 19:45:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2018-09-23 19:45:01,148 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 23 [2018-09-23 19:45:01,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:01,149 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2018-09-23 19:45:01,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-09-23 19:45:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 19:45:01,151 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:01,151 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:01,151 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:01,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:01,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1423527905, now seen corresponding path program 1 times [2018-09-23 19:45:01,152 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:01,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:01,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:01,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-23 19:45:01,251 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:01,251 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:01,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:01,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:01,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:01,252 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand 3 states. [2018-09-23 19:45:01,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:01,467 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2018-09-23 19:45:01,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:01,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-23 19:45:01,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:01,469 INFO L225 Difference]: With dead ends: 106 [2018-09-23 19:45:01,469 INFO L226 Difference]: Without dead ends: 57 [2018-09-23 19:45:01,470 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 [2018-09-23 19:45:01,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-23 19:45:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-23 19:45:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-23 19:45:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 92 transitions. [2018-09-23 19:45:01,483 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 92 transitions. Word has length 30 [2018-09-23 19:45:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:01,484 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 92 transitions. [2018-09-23 19:45:01,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-09-23 19:45:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 19:45:01,485 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:01,486 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:01,486 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:01,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash 222883017, now seen corresponding path program 1 times [2018-09-23 19:45:01,487 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:01,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:01,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:01,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:45:01,552 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:01,552 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:01,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:01,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:01,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:01,554 INFO L87 Difference]: Start difference. First operand 57 states and 92 transitions. Second operand 3 states. [2018-09-23 19:45:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:01,946 INFO L93 Difference]: Finished difference Result 131 states and 214 transitions. [2018-09-23 19:45:01,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:01,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-23 19:45:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:01,950 INFO L225 Difference]: With dead ends: 131 [2018-09-23 19:45:01,950 INFO L226 Difference]: Without dead ends: 74 [2018-09-23 19:45:01,951 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 [2018-09-23 19:45:01,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-09-23 19:45:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-09-23 19:45:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-23 19:45:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 120 transitions. [2018-09-23 19:45:01,965 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 120 transitions. Word has length 30 [2018-09-23 19:45:01,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:01,965 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 120 transitions. [2018-09-23 19:45:01,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2018-09-23 19:45:01,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 19:45:01,967 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:01,967 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:01,968 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:01,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:01,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1035189339, now seen corresponding path program 1 times [2018-09-23 19:45:01,969 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:01,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:01,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:01,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-23 19:45:02,035 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:02,036 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:02,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:02,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:02,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:02,037 INFO L87 Difference]: Start difference. First operand 74 states and 120 transitions. Second operand 3 states. [2018-09-23 19:45:02,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:02,362 INFO L93 Difference]: Finished difference Result 153 states and 249 transitions. [2018-09-23 19:45:02,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:02,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-23 19:45:02,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:02,364 INFO L225 Difference]: With dead ends: 153 [2018-09-23 19:45:02,364 INFO L226 Difference]: Without dead ends: 80 [2018-09-23 19:45:02,365 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 [2018-09-23 19:45:02,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-23 19:45:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-23 19:45:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-23 19:45:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2018-09-23 19:45:02,391 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 36 [2018-09-23 19:45:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:02,391 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2018-09-23 19:45:02,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2018-09-23 19:45:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 19:45:02,393 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:02,395 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] [2018-09-23 19:45:02,396 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:02,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:02,397 INFO L82 PathProgramCache]: Analyzing trace with hash -720649021, now seen corresponding path program 1 times [2018-09-23 19:45:02,397 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:02,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:02,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:02,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:02,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-23 19:45:02,483 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:02,484 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:02,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:02,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:02,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:02,486 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand 3 states. [2018-09-23 19:45:02,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:02,727 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2018-09-23 19:45:02,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:02,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-09-23 19:45:02,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:02,729 INFO L225 Difference]: With dead ends: 164 [2018-09-23 19:45:02,729 INFO L226 Difference]: Without dead ends: 85 [2018-09-23 19:45:02,730 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 [2018-09-23 19:45:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-23 19:45:02,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-23 19:45:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-23 19:45:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2018-09-23 19:45:02,745 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 41 [2018-09-23 19:45:02,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:02,745 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2018-09-23 19:45:02,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:02,746 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-23 19:45:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 19:45:02,750 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:02,750 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] [2018-09-23 19:45:02,750 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:02,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash -2015268887, now seen corresponding path program 1 times [2018-09-23 19:45:02,752 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:02,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:02,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:02,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:02,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-23 19:45:02,836 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:02,836 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:02,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:02,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:02,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:02,837 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 3 states. [2018-09-23 19:45:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:03,058 INFO L93 Difference]: Finished difference Result 181 states and 270 transitions. [2018-09-23 19:45:03,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:03,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-09-23 19:45:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:03,060 INFO L225 Difference]: With dead ends: 181 [2018-09-23 19:45:03,060 INFO L226 Difference]: Without dead ends: 96 [2018-09-23 19:45:03,061 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 [2018-09-23 19:45:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-09-23 19:45:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-09-23 19:45:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-23 19:45:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 140 transitions. [2018-09-23 19:45:03,084 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 140 transitions. Word has length 44 [2018-09-23 19:45:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:03,089 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 140 transitions. [2018-09-23 19:45:03,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2018-09-23 19:45:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 19:45:03,095 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:03,095 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] [2018-09-23 19:45:03,095 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:03,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:03,096 INFO L82 PathProgramCache]: Analyzing trace with hash 483195845, now seen corresponding path program 1 times [2018-09-23 19:45:03,096 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:03,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:03,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:03,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:03,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-23 19:45:03,196 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:03,196 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:03,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:03,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:03,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:03,199 INFO L87 Difference]: Start difference. First operand 96 states and 140 transitions. Second operand 3 states. [2018-09-23 19:45:03,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:03,392 INFO L93 Difference]: Finished difference Result 195 states and 285 transitions. [2018-09-23 19:45:03,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:03,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-09-23 19:45:03,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:03,394 INFO L225 Difference]: With dead ends: 195 [2018-09-23 19:45:03,395 INFO L226 Difference]: Without dead ends: 100 [2018-09-23 19:45:03,396 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 [2018-09-23 19:45:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-09-23 19:45:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-09-23 19:45:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-09-23 19:45:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2018-09-23 19:45:03,423 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 45 [2018-09-23 19:45:03,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:03,424 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2018-09-23 19:45:03,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2018-09-23 19:45:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 19:45:03,429 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:03,429 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] [2018-09-23 19:45:03,429 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:03,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1326956691, now seen corresponding path program 1 times [2018-09-23 19:45:03,430 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:03,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:03,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:03,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:03,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-23 19:45:03,617 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:45:03,617 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 [2018-09-23 19:45:03,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:03,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:45:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-23 19:45:03,862 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-23 19:45:03,863 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-23 19:45:03,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-23 19:45:03,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-23 19:45:03,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:45:03,864 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand 5 states. [2018-09-23 19:45:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:05,275 INFO L93 Difference]: Finished difference Result 441 states and 602 transitions. [2018-09-23 19:45:05,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-23 19:45:05,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-09-23 19:45:05,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:05,278 INFO L225 Difference]: With dead ends: 441 [2018-09-23 19:45:05,279 INFO L226 Difference]: Without dead ends: 328 [2018-09-23 19:45:05,280 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-23 19:45:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-09-23 19:45:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 187. [2018-09-23 19:45:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-09-23 19:45:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 247 transitions. [2018-09-23 19:45:05,333 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 247 transitions. Word has length 48 [2018-09-23 19:45:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:05,333 INFO L480 AbstractCegarLoop]: Abstraction has 187 states and 247 transitions. [2018-09-23 19:45:05,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-23 19:45:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2018-09-23 19:45:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 19:45:05,335 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:05,335 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:05,336 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:05,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:05,336 INFO L82 PathProgramCache]: Analyzing trace with hash 636359981, now seen corresponding path program 1 times [2018-09-23 19:45:05,336 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:05,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:05,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:05,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:05,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-23 19:45:05,425 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:05,425 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:45:05,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:05,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:05,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:05,426 INFO L87 Difference]: Start difference. First operand 187 states and 247 transitions. Second operand 3 states. [2018-09-23 19:45:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:05,652 INFO L93 Difference]: Finished difference Result 374 states and 495 transitions. [2018-09-23 19:45:05,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:05,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-09-23 19:45:05,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:05,657 INFO L225 Difference]: With dead ends: 374 [2018-09-23 19:45:05,658 INFO L226 Difference]: Without dead ends: 182 [2018-09-23 19:45:05,659 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 [2018-09-23 19:45:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-09-23 19:45:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-09-23 19:45:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-09-23 19:45:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 227 transitions. [2018-09-23 19:45:05,699 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 227 transitions. Word has length 64 [2018-09-23 19:45:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:05,700 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 227 transitions. [2018-09-23 19:45:05,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 227 transitions. [2018-09-23 19:45:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-23 19:45:05,701 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:05,701 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] [2018-09-23 19:45:05,702 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:05,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:05,702 INFO L82 PathProgramCache]: Analyzing trace with hash -739459377, now seen corresponding path program 1 times [2018-09-23 19:45:05,702 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:05,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:05,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:05,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:05,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-09-23 19:45:05,824 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:05,824 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:45:05,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:05,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:05,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:05,826 INFO L87 Difference]: Start difference. First operand 182 states and 227 transitions. Second operand 3 states. [2018-09-23 19:45:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:05,964 INFO L93 Difference]: Finished difference Result 381 states and 475 transitions. [2018-09-23 19:45:05,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:05,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-09-23 19:45:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:05,967 INFO L225 Difference]: With dead ends: 381 [2018-09-23 19:45:05,967 INFO L226 Difference]: Without dead ends: 202 [2018-09-23 19:45:05,968 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 [2018-09-23 19:45:05,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-09-23 19:45:06,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-09-23 19:45:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-09-23 19:45:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2018-09-23 19:45:06,013 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 97 [2018-09-23 19:45:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:06,013 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2018-09-23 19:45:06,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2018-09-23 19:45:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-23 19:45:06,015 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:06,015 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] [2018-09-23 19:45:06,015 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:06,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:06,016 INFO L82 PathProgramCache]: Analyzing trace with hash -93746177, now seen corresponding path program 1 times [2018-09-23 19:45:06,016 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:06,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:06,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-09-23 19:45:06,152 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:06,152 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:45:06,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:06,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:06,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:06,154 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand 3 states. [2018-09-23 19:45:06,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:06,429 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2018-09-23 19:45:06,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:06,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-09-23 19:45:06,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:06,432 INFO L225 Difference]: With dead ends: 298 [2018-09-23 19:45:06,433 INFO L226 Difference]: Without dead ends: 296 [2018-09-23 19:45:06,433 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 [2018-09-23 19:45:06,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-09-23 19:45:06,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2018-09-23 19:45:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-09-23 19:45:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 363 transitions. [2018-09-23 19:45:06,489 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 363 transitions. Word has length 107 [2018-09-23 19:45:06,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:06,490 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 363 transitions. [2018-09-23 19:45:06,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 363 transitions. [2018-09-23 19:45:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-23 19:45:06,492 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:06,492 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] [2018-09-23 19:45:06,493 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:06,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:06,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1497686773, now seen corresponding path program 1 times [2018-09-23 19:45:06,493 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:06,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:06,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:06,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:06,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2018-09-23 19:45:06,675 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:45:06,676 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:45:06,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:45:06,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:45:06,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:45:06,677 INFO L87 Difference]: Start difference. First operand 296 states and 363 transitions. Second operand 3 states. [2018-09-23 19:45:06,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:06,951 INFO L93 Difference]: Finished difference Result 589 states and 723 transitions. [2018-09-23 19:45:06,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:45:06,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-09-23 19:45:06,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:06,954 INFO L225 Difference]: With dead ends: 589 [2018-09-23 19:45:06,954 INFO L226 Difference]: Without dead ends: 296 [2018-09-23 19:45:06,955 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 [2018-09-23 19:45:06,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-09-23 19:45:06,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2018-09-23 19:45:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-09-23 19:45:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 354 transitions. [2018-09-23 19:45:06,999 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 354 transitions. Word has length 147 [2018-09-23 19:45:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:06,999 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 354 transitions. [2018-09-23 19:45:07,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:45:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 354 transitions. [2018-09-23 19:45:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-23 19:45:07,002 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:45:07,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:45:07,002 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:45:07,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:45:07,003 INFO L82 PathProgramCache]: Analyzing trace with hash -663980831, now seen corresponding path program 1 times [2018-09-23 19:45:07,003 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:45:07,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:45:07,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:07,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:07,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:45:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-23 19:45:07,182 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:45:07,183 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 [2018-09-23 19:45:07,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:45:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:45:07,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:45:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-23 19:45:07,378 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:45:07,378 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-23 19:45:07,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:45:07,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:45:07,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:45:07,381 INFO L87 Difference]: Start difference. First operand 296 states and 354 transitions. Second operand 4 states. [2018-09-23 19:45:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:45:07,610 INFO L93 Difference]: Finished difference Result 470 states and 566 transitions. [2018-09-23 19:45:07,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-23 19:45:07,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-09-23 19:45:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:45:07,611 INFO L225 Difference]: With dead ends: 470 [2018-09-23 19:45:07,611 INFO L226 Difference]: Without dead ends: 0 [2018-09-23 19:45:07,612 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:45:07,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-23 19:45:07,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-23 19:45:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-23 19:45:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-23 19:45:07,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-09-23 19:45:07,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:45:07,614 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-23 19:45:07,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:45:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-23 19:45:07,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-23 19:45:07,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-23 19:45:07,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:07,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-23 19:45:08,465 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-09-23 19:45:09,709 WARN L178 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2018-09-23 19:45:10,099 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2018-09-23 19:45:10,254 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2018-09-23 19:45:10,491 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-09-23 19:45:10,754 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2018-09-23 19:45:10,872 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-09-23 19:45:11,135 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2018-09-23 19:45:11,400 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2018-09-23 19:45:11,605 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-09-23 19:45:11,766 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2018-09-23 19:45:11,924 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2018-09-23 19:45:12,239 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2018-09-23 19:45:12,438 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2018-09-23 19:45:12,441 INFO L422 ceAbstractionStarter]: At program point L477(lines 252 477) the Hoare annotation is: (let ((.cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 .cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,442 INFO L422 ceAbstractionStarter]: At program point L279(lines 279 289) the Hoare annotation is: (let ((.cse2 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse3 .cse1 .cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse3 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)))) [2018-09-23 19:45:12,442 INFO L422 ceAbstractionStarter]: At program point L366(lines 366 378) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse3 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse1 .cse2 .cse3 .cse4) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576) .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) .cse3 .cse4))) [2018-09-23 19:45:12,442 INFO L422 ceAbstractionStarter]: At program point L333(lines 333 344) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576)) (.cse5 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse6 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse9 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) .cse2 .cse3 .cse8 .cse5 .cse6))) [2018-09-23 19:45:12,443 INFO L422 ceAbstractionStarter]: At program point L453(lines 450 469) the Hoare annotation is: (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) [2018-09-23 19:45:12,443 INFO L422 ceAbstractionStarter]: At program point L292(lines 292 308) the Hoare annotation is: (let ((.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3)) (.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse0 .cse4 .cse2 .cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse4 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)))) [2018-09-23 19:45:12,443 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 480) no Hoare annotation was computed. [2018-09-23 19:45:12,443 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 480) no Hoare annotation was computed. [2018-09-23 19:45:12,443 INFO L422 ceAbstractionStarter]: At program point L346(lines 346 363) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse3 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse1 .cse2 .cse3 .cse4) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576) .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) .cse3 .cse4))) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L408(lines 408 431) the Hoare annotation is: (let ((.cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L404(lines 404 415) the Hoare annotation is: (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L396(lines 396 405) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse3 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse1 .cse2 .cse3) (and .cse0 (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1 (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L417(lines 414 439) the Hoare annotation is: (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) [2018-09-23 19:45:12,444 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 480) no Hoare annotation was computed. [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L438(lines 438 460) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L430(lines 430 451) the Hoare annotation is: (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (not (= 8640 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) [2018-09-23 19:45:12,444 INFO L422 ceAbstractionStarter]: At program point L459(lines 459 478) the Hoare annotation is: false [2018-09-23 19:45:12,445 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 479) no Hoare annotation was computed. [2018-09-23 19:45:12,445 INFO L422 ceAbstractionStarter]: At program point L261(lines 224 261) the Hoare annotation is: (let ((.cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 .cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,445 INFO L422 ceAbstractionStarter]: At program point L257(lines 257 276) the Hoare annotation is: (let ((.cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 .cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,445 INFO L422 ceAbstractionStarter]: At program point L381(lines 381 393) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse3 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) .cse1 .cse2 .cse3 .cse4) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576) .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) .cse3 .cse4))) [2018-09-23 19:45:12,445 INFO L422 ceAbstractionStarter]: At program point L311(lines 311 328) the Hoare annotation is: (let ((.cse3 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse4 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576)) (.cse6 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3)) (.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (.cse5 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse5) (and .cse0 .cse2 .cse9 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and .cse0 .cse7 .cse2 .cse9 .cse5))) [2018-09-23 19:45:12,445 INFO L422 ceAbstractionStarter]: At program point L237(lines 237 253) the Hoare annotation is: (let ((.cse1 (not (= 8576 ULTIMATE.start_ssl3_accept_~s__state~5))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 2)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 3) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~5)) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8576) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~5)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 .cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~5))) (and .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8576)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)))) [2018-09-23 19:45:12,468 INFO L202 PluginConnector]: Adding new model s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 07:45:12 BoogieIcfgContainer [2018-09-23 19:45:12,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-23 19:45:12,469 INFO L168 Benchmark]: Toolchain (without parser) took 13545.07 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -157.4 MB). Peak memory consumption was 597.8 MB. Max. memory is 7.1 GB. [2018-09-23 19:45:12,470 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-09-23 19:45:12,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.20 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. [2018-09-23 19:45:12,471 INFO L168 Benchmark]: Boogie Preprocessor took 39.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 19:45:12,472 INFO L168 Benchmark]: RCFGBuilder took 798.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-23 19:45:12,473 INFO L168 Benchmark]: TraceAbstraction took 12652.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -189.1 MB). Peak memory consumption was 566.0 MB. Max. memory is 7.1 GB. [2018-09-23 19:45:12,477 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 0.22 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 45.20 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 39.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 798.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12652.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -189.1 MB). Peak memory consumption was 566.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 479]: 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: 224]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((ssl3_accept_~blastFlag~5 <= 2 && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((((((!(8512 == ssl3_accept_~s__state~5) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8448 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8640 == ssl3_accept_~s__state~5)) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 <= 2 && !(8448 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (((!(8656 == ssl3_accept_~s__state~5) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5))) || (((((((!(8512 == ssl3_accept_~s__state~5) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5))) || (((((((!(8512 == ssl3_accept_~s__state~5) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((((((!(8512 == ssl3_accept_~s__state~5) && !(8656 == ssl3_accept_~s__state~5)) && !(8640 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: (((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8656 == ssl3_accept_~s__state~5)) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8656 == ssl3_accept_~s__state~5)) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((ssl3_accept_~blastFlag~5 <= 2 && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((((((!(8512 == ssl3_accept_~s__state~5) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8448 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((ssl3_accept_~blastFlag~5 <= 2 && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (((ssl3_accept_~blastFlag~5 <= 2 && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~blastFlag~5 <= 2 && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((ssl3_accept_~blastFlag~5 <= 2 && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && !(8640 == ssl3_accept_~s__state~5)) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8672 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5)) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (((((((!(8512 == ssl3_accept_~s__state~5) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) && !(8448 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 3) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__state~5 <= 8576) && !(8528 == ssl3_accept_~s__state~5)) && !(8544 == ssl3_accept_~s__state~5)) || ((((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && !(8576 == ssl3_accept_~s__state~5)) && !(8448 == ssl3_accept_~s__state~5))) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || (((!(8512 == ssl3_accept_~s__state~5) && ssl3_accept_~blastFlag~5 <= 2) && !(8496 == ssl3_accept_~s__state~5)) && ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8576) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. SAFE Result, 12.5s OverallTime, 14 OverallIterations, 19 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 278 SDtfs, 197 SDslu, 137 SDs, 0 SdLazy, 547 SolverSat, 194 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 220 NumberOfFragments, 1025 HoareAnnotationTreeSize, 19 FomulaSimplifications, 8878 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 19 FomulaSimplificationsInter, 3305 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1151 NumberOfCodeBlocks, 1151 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1135 ConstructedInterpolants, 0 QuantifiedInterpolants, 162691 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1181 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 4505/4529 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.BV.c.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-45-12-497.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1.BV.c.cil.c_21.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-23_19-45-12-497.csv Received shutdown request...