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_3_alt.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 10:28:48,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:28:48,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:28:48,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 10:28:48,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 10:28:48,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 10:28:48,850 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 10:28:48,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 10:28:48,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 10:28:48,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 10:28:48,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 10:28:48,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 10:28:48,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:28:48,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:28:48,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:28:48,921 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:28:48,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:28:48,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:28:48,922 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:28:48,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:28:48,922 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:28:48,922 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:28:48,923 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:28:48,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:28:48,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:28:48,924 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:28:48,924 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:28:48,924 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:28:48,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:28:48,925 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:28:48,925 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:28:48,925 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:28:48,925 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:28:48,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:28:48,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:28:48,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:28:48,926 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:28:48,926 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:28:48,926 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:28:48,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:28:48,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:28:48,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:28:49,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:28:49,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:28:49,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:28:49,024 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:28:49,025 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:28:49,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-09-30 10:28:49,026 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl' [2018-09-30 10:28:49,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:28:49,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:28:49,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:28:49,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:28:49,125 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:28:49,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:28:49,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:28:49,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:28:49,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:28:49,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... [2018-09-30 10:28:49,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:28:49,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:28:49,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:28:49,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:28:49,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:28:49,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:28:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:28:50,015 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:28:50,016 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:28:50 BoogieIcfgContainer [2018-09-30 10:28:50,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:28:50,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:28:50,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:28:50,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:28:50,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:28:49" (1/2) ... [2018-09-30 10:28:50,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ed072a and model type s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:28:50, skipping insertion in model container [2018-09-30 10:28:50,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:28:50" (2/2) ... [2018-09-30 10:28:50,025 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-09-30 10:28:50,035 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:28:50,047 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:28:50,096 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:28:50,097 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:28:50,097 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:28:50,098 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:28:50,098 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:28:50,098 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:28:50,098 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:28:50,098 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:28:50,098 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:28:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-30 10:28:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 10:28:50,120 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:50,121 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:50,122 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:50,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:50,128 INFO L82 PathProgramCache]: Analyzing trace with hash -505433715, now seen corresponding path program 1 times [2018-09-30 10:28:50,130 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:50,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:50,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:50,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:50,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:28:50,375 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:50,376 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:50,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:50,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:50,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:50,395 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-09-30 10:28:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:50,875 INFO L93 Difference]: Finished difference Result 56 states and 94 transitions. [2018-09-30 10:28:50,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:50,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-09-30 10:28:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:50,896 INFO L225 Difference]: With dead ends: 56 [2018-09-30 10:28:50,896 INFO L226 Difference]: Without dead ends: 34 [2018-09-30 10:28:50,905 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:50,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-09-30 10:28:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-09-30 10:28:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-30 10:28:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2018-09-30 10:28:50,983 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 15 [2018-09-30 10:28:50,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:50,984 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2018-09-30 10:28:50,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-09-30 10:28:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 10:28:50,986 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:50,986 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:50,986 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:50,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:50,987 INFO L82 PathProgramCache]: Analyzing trace with hash -912155261, now seen corresponding path program 1 times [2018-09-30 10:28:50,987 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:50,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:50,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:50,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:50,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:28:51,089 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:51,090 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:51,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:51,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:51,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:51,093 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 3 states. [2018-09-30 10:28:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:51,285 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2018-09-30 10:28:51,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:51,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-30 10:28:51,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:51,290 INFO L225 Difference]: With dead ends: 83 [2018-09-30 10:28:51,290 INFO L226 Difference]: Without dead ends: 50 [2018-09-30 10:28:51,291 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:51,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-30 10:28:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-09-30 10:28:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-30 10:28:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2018-09-30 10:28:51,315 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 23 [2018-09-30 10:28:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:51,316 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2018-09-30 10:28:51,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-09-30 10:28:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 10:28:51,317 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:51,318 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:51,318 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:51,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1423527967, now seen corresponding path program 1 times [2018-09-30 10:28:51,318 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:51,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:51,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:51,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 10:28:51,453 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:51,453 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:51,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:51,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:51,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:51,455 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand 3 states. [2018-09-30 10:28:51,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:51,683 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2018-09-30 10:28:51,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:51,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 10:28:51,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:51,685 INFO L225 Difference]: With dead ends: 106 [2018-09-30 10:28:51,686 INFO L226 Difference]: Without dead ends: 57 [2018-09-30 10:28:51,687 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:51,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-30 10:28:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-30 10:28:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-30 10:28:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 92 transitions. [2018-09-30 10:28:51,707 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 92 transitions. Word has length 30 [2018-09-30 10:28:51,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:51,709 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 92 transitions. [2018-09-30 10:28:51,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-09-30 10:28:51,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 10:28:51,711 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:51,712 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:51,712 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:51,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:51,714 INFO L82 PathProgramCache]: Analyzing trace with hash 222883079, now seen corresponding path program 1 times [2018-09-30 10:28:51,714 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:51,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:51,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:51,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:51,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:28:51,803 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:51,803 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:51,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:51,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:51,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:51,804 INFO L87 Difference]: Start difference. First operand 57 states and 92 transitions. Second operand 3 states. [2018-09-30 10:28:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:52,294 INFO L93 Difference]: Finished difference Result 131 states and 214 transitions. [2018-09-30 10:28:52,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:52,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 10:28:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:52,296 INFO L225 Difference]: With dead ends: 131 [2018-09-30 10:28:52,296 INFO L226 Difference]: Without dead ends: 74 [2018-09-30 10:28:52,297 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:52,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-09-30 10:28:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-09-30 10:28:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-30 10:28:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 120 transitions. [2018-09-30 10:28:52,322 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 120 transitions. Word has length 30 [2018-09-30 10:28:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:52,322 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 120 transitions. [2018-09-30 10:28:52,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2018-09-30 10:28:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 10:28:52,325 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:52,326 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:52,326 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:52,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:52,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1035189277, now seen corresponding path program 1 times [2018-09-30 10:28:52,327 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:52,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:52,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:52,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-30 10:28:52,416 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:52,416 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:52,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:52,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:52,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:52,418 INFO L87 Difference]: Start difference. First operand 74 states and 120 transitions. Second operand 3 states. [2018-09-30 10:28:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:52,600 INFO L93 Difference]: Finished difference Result 153 states and 249 transitions. [2018-09-30 10:28:52,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:52,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-30 10:28:52,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:52,607 INFO L225 Difference]: With dead ends: 153 [2018-09-30 10:28:52,607 INFO L226 Difference]: Without dead ends: 80 [2018-09-30 10:28:52,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-30 10:28:52,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-30 10:28:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-30 10:28:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2018-09-30 10:28:52,623 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 36 [2018-09-30 10:28:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:52,623 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2018-09-30 10:28:52,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2018-09-30 10:28:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 10:28:52,625 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:52,625 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] [2018-09-30 10:28:52,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:52,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:52,626 INFO L82 PathProgramCache]: Analyzing trace with hash -720648959, now seen corresponding path program 1 times [2018-09-30 10:28:52,626 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:52,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:52,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-30 10:28:52,686 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:52,686 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:52,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:52,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:52,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:52,688 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand 3 states. [2018-09-30 10:28:52,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:52,833 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2018-09-30 10:28:52,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:52,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-09-30 10:28:52,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:52,836 INFO L225 Difference]: With dead ends: 164 [2018-09-30 10:28:52,836 INFO L226 Difference]: Without dead ends: 85 [2018-09-30 10:28:52,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:52,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-30 10:28:52,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-30 10:28:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-30 10:28:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2018-09-30 10:28:52,856 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 41 [2018-09-30 10:28:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:52,856 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2018-09-30 10:28:52,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-30 10:28:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 10:28:52,858 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:52,859 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] [2018-09-30 10:28:52,859 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:52,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:52,859 INFO L82 PathProgramCache]: Analyzing trace with hash -2015268825, now seen corresponding path program 1 times [2018-09-30 10:28:52,860 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:52,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:52,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:52,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:52,873 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-09-30 10:28:52,873 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-09-30 10:28:52,873 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-09-30 10:28:52,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:52,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-30 10:28:53,089 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:53,089 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:28:53,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:53,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:53,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:53,091 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 3 states. [2018-09-30 10:28:53,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:53,307 INFO L93 Difference]: Finished difference Result 246 states and 370 transitions. [2018-09-30 10:28:53,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:53,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-09-30 10:28:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:53,309 INFO L225 Difference]: With dead ends: 246 [2018-09-30 10:28:53,309 INFO L226 Difference]: Without dead ends: 162 [2018-09-30 10:28:53,310 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:53,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-09-30 10:28:53,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-09-30 10:28:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-09-30 10:28:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2018-09-30 10:28:53,350 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 44 [2018-09-30 10:28:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:53,350 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2018-09-30 10:28:53,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2018-09-30 10:28:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 10:28:53,352 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:53,353 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:53,353 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:53,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:53,353 INFO L82 PathProgramCache]: Analyzing trace with hash -688187521, now seen corresponding path program 1 times [2018-09-30 10:28:53,354 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:53,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:53,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:53,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:53,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-09-30 10:28:53,408 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:53,409 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:53,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:53,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:53,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:53,410 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand 3 states. [2018-09-30 10:28:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:53,695 INFO L93 Difference]: Finished difference Result 250 states and 366 transitions. [2018-09-30 10:28:53,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:53,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-09-30 10:28:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:53,697 INFO L225 Difference]: With dead ends: 250 [2018-09-30 10:28:53,698 INFO L226 Difference]: Without dead ends: 166 [2018-09-30 10:28:53,698 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:53,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-09-30 10:28:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-09-30 10:28:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-09-30 10:28:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 238 transitions. [2018-09-30 10:28:53,733 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 238 transitions. Word has length 47 [2018-09-30 10:28:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:53,734 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 238 transitions. [2018-09-30 10:28:53,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2018-09-30 10:28:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 10:28:53,736 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:53,737 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] [2018-09-30 10:28:53,737 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:53,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1326956629, now seen corresponding path program 1 times [2018-09-30 10:28:53,744 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:53,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:53,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:53,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:53,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 10:28:53,912 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:28:53,912 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:28:53,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:54,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 10:28:54,150 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 10:28:54,151 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-30 10:28:54,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-30 10:28:54,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-30 10:28:54,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:28:54,152 INFO L87 Difference]: Start difference. First operand 166 states and 238 transitions. Second operand 5 states. [2018-09-30 10:28:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:55,374 INFO L93 Difference]: Finished difference Result 598 states and 860 transitions. [2018-09-30 10:28:55,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 10:28:55,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-09-30 10:28:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:55,378 INFO L225 Difference]: With dead ends: 598 [2018-09-30 10:28:55,378 INFO L226 Difference]: Without dead ends: 406 [2018-09-30 10:28:55,379 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 [2018-09-30 10:28:55,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-09-30 10:28:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 240. [2018-09-30 10:28:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-09-30 10:28:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2018-09-30 10:28:55,416 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 48 [2018-09-30 10:28:55,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:55,416 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2018-09-30 10:28:55,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-30 10:28:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2018-09-30 10:28:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 10:28:55,417 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:55,418 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:55,418 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:55,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:55,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2115677753, now seen corresponding path program 1 times [2018-09-30 10:28:55,418 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:55,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:55,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:55,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:55,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-30 10:28:55,498 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:55,498 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:55,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:55,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:55,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:55,499 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand 3 states. [2018-09-30 10:28:55,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:55,894 INFO L93 Difference]: Finished difference Result 399 states and 560 transitions. [2018-09-30 10:28:55,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:55,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-09-30 10:28:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:55,897 INFO L225 Difference]: With dead ends: 399 [2018-09-30 10:28:55,897 INFO L226 Difference]: Without dead ends: 239 [2018-09-30 10:28:55,898 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:55,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-09-30 10:28:55,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-09-30 10:28:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-09-30 10:28:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 329 transitions. [2018-09-30 10:28:55,934 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 329 transitions. Word has length 60 [2018-09-30 10:28:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:55,934 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 329 transitions. [2018-09-30 10:28:55,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 329 transitions. [2018-09-30 10:28:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 10:28:55,935 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:55,935 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:55,936 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:55,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash 227864519, now seen corresponding path program 1 times [2018-09-30 10:28:55,936 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:55,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:55,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:55,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:55,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-09-30 10:28:56,006 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:56,007 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:56,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:56,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:56,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,008 INFO L87 Difference]: Start difference. First operand 239 states and 329 transitions. Second operand 3 states. [2018-09-30 10:28:56,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:56,126 INFO L93 Difference]: Finished difference Result 470 states and 649 transitions. [2018-09-30 10:28:56,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:56,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-30 10:28:56,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:56,131 INFO L225 Difference]: With dead ends: 470 [2018-09-30 10:28:56,132 INFO L226 Difference]: Without dead ends: 237 [2018-09-30 10:28:56,133 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-09-30 10:28:56,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-09-30 10:28:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-09-30 10:28:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 319 transitions. [2018-09-30 10:28:56,163 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 319 transitions. Word has length 65 [2018-09-30 10:28:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:56,163 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 319 transitions. [2018-09-30 10:28:56,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions. [2018-09-30 10:28:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 10:28:56,164 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:56,165 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:56,165 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:56,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:56,165 INFO L82 PathProgramCache]: Analyzing trace with hash -242141821, now seen corresponding path program 1 times [2018-09-30 10:28:56,166 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:56,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:56,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:56,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 10:28:56,255 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:56,255 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:56,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:56,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:56,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,257 INFO L87 Difference]: Start difference. First operand 237 states and 319 transitions. Second operand 3 states. [2018-09-30 10:28:56,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:56,421 INFO L93 Difference]: Finished difference Result 465 states and 628 transitions. [2018-09-30 10:28:56,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:56,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-09-30 10:28:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:56,425 INFO L225 Difference]: With dead ends: 465 [2018-09-30 10:28:56,425 INFO L226 Difference]: Without dead ends: 235 [2018-09-30 10:28:56,426 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-09-30 10:28:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-09-30 10:28:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-09-30 10:28:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2018-09-30 10:28:56,460 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 71 [2018-09-30 10:28:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:56,461 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2018-09-30 10:28:56,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2018-09-30 10:28:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 10:28:56,465 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:56,465 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 5, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:56,466 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:56,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:56,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1274982729, now seen corresponding path program 1 times [2018-09-30 10:28:56,466 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:56,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:56,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:56,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-30 10:28:56,590 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:56,590 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:56,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:56,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:56,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,591 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand 3 states. [2018-09-30 10:28:56,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:56,814 INFO L93 Difference]: Finished difference Result 465 states and 615 transitions. [2018-09-30 10:28:56,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:56,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-09-30 10:28:56,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:56,817 INFO L225 Difference]: With dead ends: 465 [2018-09-30 10:28:56,817 INFO L226 Difference]: Without dead ends: 238 [2018-09-30 10:28:56,818 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-09-30 10:28:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-09-30 10:28:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-09-30 10:28:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 307 transitions. [2018-09-30 10:28:56,847 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 307 transitions. Word has length 78 [2018-09-30 10:28:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:56,848 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 307 transitions. [2018-09-30 10:28:56,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 307 transitions. [2018-09-30 10:28:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 10:28:56,849 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:56,849 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 6, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:56,849 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:56,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:56,850 INFO L82 PathProgramCache]: Analyzing trace with hash 409856557, now seen corresponding path program 1 times [2018-09-30 10:28:56,850 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:56,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:56,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:56,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-30 10:28:56,954 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:56,954 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:56,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:56,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:56,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:56,955 INFO L87 Difference]: Start difference. First operand 238 states and 307 transitions. Second operand 3 states. [2018-09-30 10:28:57,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:57,501 INFO L93 Difference]: Finished difference Result 498 states and 646 transitions. [2018-09-30 10:28:57,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:57,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-09-30 10:28:57,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:57,504 INFO L225 Difference]: With dead ends: 498 [2018-09-30 10:28:57,504 INFO L226 Difference]: Without dead ends: 268 [2018-09-30 10:28:57,505 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-09-30 10:28:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2018-09-30 10:28:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-09-30 10:28:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2018-09-30 10:28:57,537 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 86 [2018-09-30 10:28:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:57,537 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2018-09-30 10:28:57,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2018-09-30 10:28:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 10:28:57,539 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:57,539 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:57,539 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:57,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:57,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1980925187, now seen corresponding path program 1 times [2018-09-30 10:28:57,540 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:57,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:57,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:57,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:57,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-09-30 10:28:57,654 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:57,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:57,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:57,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:57,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:57,656 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand 3 states. [2018-09-30 10:28:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:57,958 INFO L93 Difference]: Finished difference Result 561 states and 712 transitions. [2018-09-30 10:28:57,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:57,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-09-30 10:28:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:57,960 INFO L225 Difference]: With dead ends: 561 [2018-09-30 10:28:57,960 INFO L226 Difference]: Without dead ends: 301 [2018-09-30 10:28:57,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-09-30 10:28:57,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-09-30 10:28:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-09-30 10:28:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2018-09-30 10:28:58,000 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 96 [2018-09-30 10:28:58,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:58,001 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2018-09-30 10:28:58,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2018-09-30 10:28:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 10:28:58,002 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:58,002 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] [2018-09-30 10:28:58,003 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:58,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:58,003 INFO L82 PathProgramCache]: Analyzing trace with hash -93746115, now seen corresponding path program 1 times [2018-09-30 10:28:58,003 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:58,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:58,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-09-30 10:28:58,153 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:58,153 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:58,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:58,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:58,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:58,154 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand 3 states. [2018-09-30 10:28:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:58,309 INFO L93 Difference]: Finished difference Result 397 states and 491 transitions. [2018-09-30 10:28:58,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:58,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-09-30 10:28:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:58,312 INFO L225 Difference]: With dead ends: 397 [2018-09-30 10:28:58,312 INFO L226 Difference]: Without dead ends: 395 [2018-09-30 10:28:58,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-09-30 10:28:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-09-30 10:28:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-09-30 10:28:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 489 transitions. [2018-09-30 10:28:58,360 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 489 transitions. Word has length 107 [2018-09-30 10:28:58,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:58,360 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 489 transitions. [2018-09-30 10:28:58,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 489 transitions. [2018-09-30 10:28:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 10:28:58,363 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:58,363 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 11, 10, 9, 8, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:28:58,363 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:58,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:58,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1780977529, now seen corresponding path program 1 times [2018-09-30 10:28:58,364 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:58,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:58,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:58,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,386 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-09-30 10:28:58,386 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-09-30 10:28:58,386 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-09-30 10:28:58,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:58,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-09-30 10:28:58,592 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:28:58,592 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:28:58,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:28:58,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:28:58,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:58,594 INFO L87 Difference]: Start difference. First operand 395 states and 489 transitions. Second operand 3 states. [2018-09-30 10:28:58,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:58,791 INFO L93 Difference]: Finished difference Result 782 states and 969 transitions. [2018-09-30 10:28:58,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:28:58,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-09-30 10:28:58,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:58,793 INFO L225 Difference]: With dead ends: 782 [2018-09-30 10:28:58,793 INFO L226 Difference]: Without dead ends: 395 [2018-09-30 10:28:58,794 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 10:28:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-09-30 10:28:58,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-09-30 10:28:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-09-30 10:28:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2018-09-30 10:28:58,841 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 136 [2018-09-30 10:28:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:58,841 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2018-09-30 10:28:58,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:28:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2018-09-30 10:28:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-30 10:28:58,844 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:28:58,844 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] [2018-09-30 10:28:58,845 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:28:58,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 10:28:58,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1988836963, now seen corresponding path program 1 times [2018-09-30 10:28:58,845 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:28:58,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:28:58,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:58,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:28:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 10:28:59,054 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:28:59,054 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:28:59,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:28:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:28:59,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:28:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 10:28:59,252 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:28:59,252 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 10:28:59,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:28:59,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:28:59,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 10:28:59,253 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 4 states. [2018-09-30 10:28:59,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:28:59,570 INFO L93 Difference]: Finished difference Result 629 states and 744 transitions. [2018-09-30 10:28:59,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:28:59,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-09-30 10:28:59,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:28:59,571 INFO L225 Difference]: With dead ends: 629 [2018-09-30 10:28:59,571 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:28:59,572 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 10:28:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:28:59,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:28:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:28:59,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:28:59,573 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-09-30 10:28:59,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:28:59,573 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:28:59,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:28:59,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:28:59,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:28:59,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:28:59,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:28:59,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:00,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:29:01,156 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2018-09-30 10:29:01,792 WARN L178 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-09-30 10:29:02,663 WARN L178 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-09-30 10:29:03,139 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2018-09-30 10:29:03,250 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-09-30 10:29:03,437 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:29:03,541 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:29:03,937 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:29:04,142 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:29:04,252 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-09-30 10:29:04,357 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:29:04,361 INFO L422 ceAbstractionStarter]: At program point L345(lines 345 353) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse5 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 .cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)))) [2018-09-30 10:29:04,361 INFO L422 ceAbstractionStarter]: At program point L304(lines 304 320) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse3 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse3 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-09-30 10:29:04,361 INFO L422 ceAbstractionStarter]: At program point L420(lines 420 440) the Hoare annotation is: (let ((.cse0 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse0 .cse1))) [2018-09-30 10:29:04,361 INFO L422 ceAbstractionStarter]: At program point L482(lines 264 482) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,362 INFO L422 ceAbstractionStarter]: At program point L416(lines 416 427) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:29:04,362 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:29:04,362 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:29:04,362 INFO L422 ceAbstractionStarter]: At program point L408(lines 408 417) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:29:04,362 INFO L422 ceAbstractionStarter]: At program point L375(lines 375 387) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:29:04,363 INFO L422 ceAbstractionStarter]: At program point L462(lines 459 477) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:29:04,363 INFO L422 ceAbstractionStarter]: At program point L429(lines 426 448) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:29:04,363 INFO L422 ceAbstractionStarter]: At program point L355(lines 355 372) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,363 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:29:04,363 INFO L422 ceAbstractionStarter]: At program point L273(lines 236 273) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,363 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 484) no Hoare annotation was computed. [2018-09-30 10:29:04,363 INFO L422 ceAbstractionStarter]: At program point L269(lines 269 288) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L323(lines 323 340) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L447(lines 447 473) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L476(lines 476 483) the Hoare annotation is: false [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L249(lines 249 265) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L439(lines 439 460) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L390(lines 390 405) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:29:04,364 INFO L422 ceAbstractionStarter]: At program point L291(lines 291 301) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:29:04,383 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:29:04 BoogieIcfgContainer [2018-09-30 10:29:04,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:29:04,384 INFO L168 Benchmark]: Toolchain (without parser) took 15263.92 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 122.2 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 41.5 MB). Peak memory consumption was 593.2 MB. Max. memory is 7.1 GB. [2018-09-30 10:29:04,385 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. [2018-09-30 10:29:04,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:29:04,386 INFO L168 Benchmark]: Boogie Preprocessor took 60.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:29:04,386 INFO L168 Benchmark]: RCFGBuilder took 775.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-30 10:29:04,387 INFO L168 Benchmark]: TraceAbstraction took 14365.84 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 122.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 9.8 MB). Peak memory consumption was 561.5 MB. Max. memory is 7.1 GB. [2018-09-30 10:29:04,391 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 55.32 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.52 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 775.38 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 14365.84 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 122.2 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 9.8 MB). Peak memory consumption was 561.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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: 420]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8544 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || (((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: ((((!(8672 == ssl3_accept_~s__state~4) && !(8512 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 3) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || (((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || (((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((!(8672 == ssl3_accept_~s__state~4) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((!(8656 == ssl3_accept_~s__state~4) && !(8672 == ssl3_accept_~s__state~4)) && ssl3_accept_~blastFlag~4 <= 2) && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || (((((!(8512 == ssl3_accept_~s__state~4) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) && ssl3_accept_~s__state~4 <= 8576) && !(8448 == ssl3_accept_~s__state~4))) || ((((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8544 == ssl3_accept_~s__state~4)) && !(8528 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4)) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~blastFlag~4 <= 2 && !(8512 == ssl3_accept_~s__state~4)) && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~4 <= 2 && ssl3_accept_~s__s3__tmp__next_state___0~4 <= 8576) || (8672 <= ssl3_accept_~s__state~4 && ssl3_accept_~blastFlag~4 <= 3)) || (ssl3_accept_~blastFlag~4 <= 2 && !(8448 == ssl3_accept_~s__state~4))) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 == 8448)) || ((ssl3_accept_~s__s3__tmp__next_state___0~4 <= 3 && ssl3_accept_~blastFlag~4 <= 3) && ssl3_accept_~s__state~4 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. SAFE Result, 14.2s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 463 SDtfs, 165 SDslu, 184 SDs, 0 SdLazy, 673 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 18 MinimizatonAttempts, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 288 NumberOfFragments, 732 HoareAnnotationTreeSize, 19 FomulaSimplifications, 12030 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1541 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1437 NumberOfCodeBlocks, 1437 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1417 ConstructedInterpolants, 0 QuantifiedInterpolants, 184792 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2058 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 5056/5080 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_3_alt.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_10-29-04-408.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_3_alt.BV.c.cil.c_19.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_10-29-04-408.csv Received shutdown request...