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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:32:34,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:32:34,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:32:34,821 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:32:34,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:32:34,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:32:34,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:32:34,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:32:34,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:32:34,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:32:34,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 14:32:34,857 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-04 14:32:34,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:32:34,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:32:34,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:32:34,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:32:34,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:32:34,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:32:34,889 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 14:32:34,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:32:34,891 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:32:34,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:32:34,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:32:34,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:32:34,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:32:34,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:32:34,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 14:32:34,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:32:34,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 14:32:34,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 14:32:34,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:32:34,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:32:34,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:32:34,894 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 14:32:34,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:32:34,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:32:34,895 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:32:34,895 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:32:34,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:32:34,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:32:34,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:32:34,963 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:32:34,963 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:32:34,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-10-04 14:32:34,964 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl' [2018-10-04 14:32:35,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:32:35,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:32:35,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:32:35,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:32:35,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:32:35,109 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,126 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:32:35,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:32:35,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:32:35,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:32:35,147 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,147 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,155 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,155 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,176 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,180 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,186 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 04.10 02:32:35" (1/1) ... [2018-10-04 14:32:35,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:32:35,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:32:35,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:32:35,195 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:32:35,196 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 04.10 02:32:35" (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 [2018-10-04 14:32:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:32:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:32:35,955 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:32:35,955 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 04.10 02:32:35 BoogieIcfgContainer [2018-10-04 14:32:35,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:32:35,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 14:32:35,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 14:32:35,961 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 14:32:35,961 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 04.10 02:32:35" (1/2) ... [2018-10-04 14:32:35,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a05565 and model type s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 02:32:35, skipping insertion in model container [2018-10-04 14:32:35,962 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 04.10 02:32:35" (2/2) ... [2018-10-04 14:32:35,964 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-10-04 14:32:35,974 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 14:32:35,985 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 14:32:36,032 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 14:32:36,033 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 14:32:36,033 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 14:32:36,033 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 14:32:36,033 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 14:32:36,033 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 14:32:36,034 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 14:32:36,034 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 14:32:36,034 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 14:32:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-04 14:32:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:32:36,057 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:36,058 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:32:36,059 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:36,065 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:36,066 INFO L82 PathProgramCache]: Analyzing trace with hash -505433715, now seen corresponding path program 1 times [2018-10-04 14:32:36,068 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:36,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:36,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:36,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:36,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:32:36,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:36,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:36,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:36,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:36,336 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:36,338 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-10-04 14:32:36,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:36,798 INFO L93 Difference]: Finished difference Result 56 states and 94 transitions. [2018-10-04 14:32:36,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:36,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-04 14:32:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:36,815 INFO L225 Difference]: With dead ends: 56 [2018-10-04 14:32:36,815 INFO L226 Difference]: Without dead ends: 34 [2018-10-04 14:32:36,819 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-04 14:32:36,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-10-04 14:32:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-04 14:32:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2018-10-04 14:32:36,857 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 15 [2018-10-04 14:32:36,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:36,858 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2018-10-04 14:32:36,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-10-04 14:32:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 14:32:36,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:36,859 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:32:36,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:36,860 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:36,860 INFO L82 PathProgramCache]: Analyzing trace with hash -912155261, now seen corresponding path program 1 times [2018-10-04 14:32:36,860 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:36,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:36,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:36,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:36,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:32:36,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:36,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:36,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:36,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:36,945 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:36,945 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 3 states. [2018-10-04 14:32:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:37,162 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2018-10-04 14:32:37,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:37,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-04 14:32:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:37,164 INFO L225 Difference]: With dead ends: 83 [2018-10-04 14:32:37,165 INFO L226 Difference]: Without dead ends: 50 [2018-10-04 14:32:37,166 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:37,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-10-04 14:32:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-10-04 14:32:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-10-04 14:32:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2018-10-04 14:32:37,179 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 23 [2018-10-04 14:32:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:37,180 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2018-10-04 14:32:37,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-10-04 14:32:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:32:37,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:37,182 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:32:37,182 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:37,182 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:37,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1423527967, now seen corresponding path program 1 times [2018-10-04 14:32:37,183 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:37,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:37,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:37,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 14:32:37,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:37,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:37,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:37,273 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:37,273 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand 3 states. [2018-10-04 14:32:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:37,500 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2018-10-04 14:32:37,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:37,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-04 14:32:37,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:37,505 INFO L225 Difference]: With dead ends: 106 [2018-10-04 14:32:37,505 INFO L226 Difference]: Without dead ends: 57 [2018-10-04 14:32:37,506 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:37,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-04 14:32:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-10-04 14:32:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-04 14:32:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 92 transitions. [2018-10-04 14:32:37,519 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 92 transitions. Word has length 30 [2018-10-04 14:32:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:37,520 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 92 transitions. [2018-10-04 14:32:37,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-10-04 14:32:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:32:37,521 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:37,521 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:32:37,522 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:37,522 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:37,522 INFO L82 PathProgramCache]: Analyzing trace with hash 222883079, now seen corresponding path program 1 times [2018-10-04 14:32:37,522 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:37,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:37,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:37,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:32:37,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:37,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:37,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:37,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:37,633 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:37,633 INFO L87 Difference]: Start difference. First operand 57 states and 92 transitions. Second operand 3 states. [2018-10-04 14:32:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:37,858 INFO L93 Difference]: Finished difference Result 131 states and 214 transitions. [2018-10-04 14:32:37,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:37,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-04 14:32:37,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:37,861 INFO L225 Difference]: With dead ends: 131 [2018-10-04 14:32:37,861 INFO L226 Difference]: Without dead ends: 74 [2018-10-04 14:32:37,862 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-04 14:32:37,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-10-04 14:32:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-10-04 14:32:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 120 transitions. [2018-10-04 14:32:37,877 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 120 transitions. Word has length 30 [2018-10-04 14:32:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:37,878 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 120 transitions. [2018-10-04 14:32:37,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2018-10-04 14:32:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 14:32:37,879 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:37,880 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:32:37,880 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:37,880 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1035189277, now seen corresponding path program 1 times [2018-10-04 14:32:37,881 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:37,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:37,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:37,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-04 14:32:37,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:37,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:37,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:37,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:37,964 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:37,964 INFO L87 Difference]: Start difference. First operand 74 states and 120 transitions. Second operand 3 states. [2018-10-04 14:32:38,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:38,380 INFO L93 Difference]: Finished difference Result 153 states and 249 transitions. [2018-10-04 14:32:38,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:38,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-04 14:32:38,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:38,383 INFO L225 Difference]: With dead ends: 153 [2018-10-04 14:32:38,383 INFO L226 Difference]: Without dead ends: 80 [2018-10-04 14:32:38,384 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-10-04 14:32:38,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-10-04 14:32:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-10-04 14:32:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2018-10-04 14:32:38,403 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 36 [2018-10-04 14:32:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:38,403 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2018-10-04 14:32:38,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2018-10-04 14:32:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 14:32:38,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:38,407 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] [2018-10-04 14:32:38,407 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:38,407 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:38,407 INFO L82 PathProgramCache]: Analyzing trace with hash -720648959, now seen corresponding path program 1 times [2018-10-04 14:32:38,408 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:38,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:38,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:38,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-04 14:32:38,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:38,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:38,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:38,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:38,493 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:38,493 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand 3 states. [2018-10-04 14:32:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:38,631 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2018-10-04 14:32:38,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:38,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-10-04 14:32:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:38,634 INFO L225 Difference]: With dead ends: 164 [2018-10-04 14:32:38,634 INFO L226 Difference]: Without dead ends: 85 [2018-10-04 14:32:38,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:38,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-04 14:32:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-10-04 14:32:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-10-04 14:32:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2018-10-04 14:32:38,659 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 41 [2018-10-04 14:32:38,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:38,659 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2018-10-04 14:32:38,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-10-04 14:32:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 14:32:38,662 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:38,662 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] [2018-10-04 14:32:38,662 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:38,662 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2015268825, now seen corresponding path program 1 times [2018-10-04 14:32:38,663 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:38,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:38,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:38,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:38,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:38,675 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-04 14:32:38,676 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-04 14:32:38,676 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 [2018-10-04 14:32:38,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:38,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 14:32:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-04 14:32:39,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:39,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:32:39,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:39,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:39,060 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:39,060 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 3 states. [2018-10-04 14:32:39,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:39,249 INFO L93 Difference]: Finished difference Result 246 states and 370 transitions. [2018-10-04 14:32:39,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:39,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-04 14:32:39,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:39,251 INFO L225 Difference]: With dead ends: 246 [2018-10-04 14:32:39,251 INFO L226 Difference]: Without dead ends: 162 [2018-10-04 14:32:39,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.0s impTime 1 [2018-10-04 14:32:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-10-04 14:32:39,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-10-04 14:32:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-10-04 14:32:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2018-10-04 14:32:39,279 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 44 [2018-10-04 14:32:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:39,280 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2018-10-04 14:32:39,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2018-10-04 14:32:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 14:32:39,282 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:39,282 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] [2018-10-04 14:32:39,283 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:39,283 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:39,283 INFO L82 PathProgramCache]: Analyzing trace with hash -688187521, now seen corresponding path program 1 times [2018-10-04 14:32:39,283 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:39,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:39,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:39,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:39,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-04 14:32:39,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:39,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:39,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:39,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:39,381 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:39,382 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand 3 states. [2018-10-04 14:32:39,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:39,711 INFO L93 Difference]: Finished difference Result 250 states and 366 transitions. [2018-10-04 14:32:39,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:39,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-04 14:32:39,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:39,713 INFO L225 Difference]: With dead ends: 250 [2018-10-04 14:32:39,714 INFO L226 Difference]: Without dead ends: 166 [2018-10-04 14:32:39,714 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:39,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-10-04 14:32:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-10-04 14:32:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-10-04 14:32:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 238 transitions. [2018-10-04 14:32:39,755 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 238 transitions. Word has length 47 [2018-10-04 14:32:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:39,757 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 238 transitions. [2018-10-04 14:32:39,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2018-10-04 14:32:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 14:32:39,758 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:39,760 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] [2018-10-04 14:32:39,760 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:39,760 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:39,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1326956629, now seen corresponding path program 1 times [2018-10-04 14:32:39,762 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:39,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:39,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:39,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:39,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 14:32:39,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 14:32:39,948 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) [2018-10-04 14:32:39,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 14:32:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:40,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 14:32:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 14:32:40,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-04 14:32:40,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-10-04 14:32:40,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-04 14:32:40,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-04 14:32:40,383 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:40,383 INFO L87 Difference]: Start difference. First operand 166 states and 238 transitions. Second operand 5 states. [2018-10-04 14:32:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:41,819 INFO L93 Difference]: Finished difference Result 598 states and 860 transitions. [2018-10-04 14:32:41,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-04 14:32:41,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-10-04 14:32:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:41,823 INFO L225 Difference]: With dead ends: 598 [2018-10-04 14:32:41,823 INFO L226 Difference]: Without dead ends: 406 [2018-10-04 14:32:41,824 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time 0.1s impTime 6 [2018-10-04 14:32:41,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-10-04 14:32:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 240. [2018-10-04 14:32:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-10-04 14:32:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2018-10-04 14:32:41,863 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 48 [2018-10-04 14:32:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:41,863 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2018-10-04 14:32:41,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-04 14:32:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2018-10-04 14:32:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 14:32:41,865 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:41,865 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] [2018-10-04 14:32:41,865 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:41,865 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 2115677753, now seen corresponding path program 1 times [2018-10-04 14:32:41,866 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:41,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:41,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:41,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:41,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-04 14:32:41,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:41,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:41,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:41,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:41,964 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:41,964 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand 3 states. [2018-10-04 14:32:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:42,176 INFO L93 Difference]: Finished difference Result 399 states and 560 transitions. [2018-10-04 14:32:42,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:42,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-10-04 14:32:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:42,178 INFO L225 Difference]: With dead ends: 399 [2018-10-04 14:32:42,178 INFO L226 Difference]: Without dead ends: 239 [2018-10-04 14:32:42,179 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-10-04 14:32:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-10-04 14:32:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-10-04 14:32:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 329 transitions. [2018-10-04 14:32:42,210 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 329 transitions. Word has length 60 [2018-10-04 14:32:42,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:42,211 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 329 transitions. [2018-10-04 14:32:42,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 329 transitions. [2018-10-04 14:32:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 14:32:42,212 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:42,212 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] [2018-10-04 14:32:42,213 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:42,213 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:42,213 INFO L82 PathProgramCache]: Analyzing trace with hash 227864519, now seen corresponding path program 1 times [2018-10-04 14:32:42,213 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:42,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:42,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:42,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:42,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-04 14:32:42,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:42,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:42,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:42,296 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:42,296 INFO L87 Difference]: Start difference. First operand 239 states and 329 transitions. Second operand 3 states. [2018-10-04 14:32:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:42,635 INFO L93 Difference]: Finished difference Result 470 states and 649 transitions. [2018-10-04 14:32:42,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:42,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-10-04 14:32:42,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:42,638 INFO L225 Difference]: With dead ends: 470 [2018-10-04 14:32:42,638 INFO L226 Difference]: Without dead ends: 237 [2018-10-04 14:32:42,639 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-10-04 14:32:42,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-10-04 14:32:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-10-04 14:32:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 319 transitions. [2018-10-04 14:32:42,676 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 319 transitions. Word has length 65 [2018-10-04 14:32:42,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:42,677 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 319 transitions. [2018-10-04 14:32:42,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions. [2018-10-04 14:32:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 14:32:42,678 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:42,678 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] [2018-10-04 14:32:42,679 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:42,679 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:42,679 INFO L82 PathProgramCache]: Analyzing trace with hash -242141821, now seen corresponding path program 1 times [2018-10-04 14:32:42,679 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:42,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:42,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:42,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:42,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 14:32:42,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:42,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:42,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:42,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:42,796 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:42,797 INFO L87 Difference]: Start difference. First operand 237 states and 319 transitions. Second operand 3 states. [2018-10-04 14:32:42,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:42,977 INFO L93 Difference]: Finished difference Result 465 states and 628 transitions. [2018-10-04 14:32:42,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:42,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-04 14:32:42,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:42,980 INFO L225 Difference]: With dead ends: 465 [2018-10-04 14:32:42,980 INFO L226 Difference]: Without dead ends: 235 [2018-10-04 14:32:42,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:42,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-10-04 14:32:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-10-04 14:32:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-10-04 14:32:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2018-10-04 14:32:43,015 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 71 [2018-10-04 14:32:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:43,015 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2018-10-04 14:32:43,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2018-10-04 14:32:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 14:32:43,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:43,017 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] [2018-10-04 14:32:43,017 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:43,018 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1274982729, now seen corresponding path program 1 times [2018-10-04 14:32:43,018 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:43,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:43,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-04 14:32:43,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:43,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:43,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:43,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:43,146 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:43,146 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand 3 states. [2018-10-04 14:32:43,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:43,405 INFO L93 Difference]: Finished difference Result 465 states and 615 transitions. [2018-10-04 14:32:43,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:43,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-10-04 14:32:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:43,407 INFO L225 Difference]: With dead ends: 465 [2018-10-04 14:32:43,407 INFO L226 Difference]: Without dead ends: 238 [2018-10-04 14:32:43,408 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:43,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-10-04 14:32:43,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-10-04 14:32:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-10-04 14:32:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 307 transitions. [2018-10-04 14:32:43,434 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 307 transitions. Word has length 78 [2018-10-04 14:32:43,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:43,435 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 307 transitions. [2018-10-04 14:32:43,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:43,435 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 307 transitions. [2018-10-04 14:32:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 14:32:43,436 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:43,436 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] [2018-10-04 14:32:43,437 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:43,437 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:43,437 INFO L82 PathProgramCache]: Analyzing trace with hash 409856557, now seen corresponding path program 1 times [2018-10-04 14:32:43,437 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:43,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:43,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:43,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:43,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-10-04 14:32:43,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:43,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:43,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:43,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:43,564 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:43,564 INFO L87 Difference]: Start difference. First operand 238 states and 307 transitions. Second operand 3 states. [2018-10-04 14:32:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:44,037 INFO L93 Difference]: Finished difference Result 498 states and 646 transitions. [2018-10-04 14:32:44,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:44,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-10-04 14:32:44,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:44,040 INFO L225 Difference]: With dead ends: 498 [2018-10-04 14:32:44,040 INFO L226 Difference]: Without dead ends: 268 [2018-10-04 14:32:44,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-10-04 14:32:44,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2018-10-04 14:32:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-10-04 14:32:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2018-10-04 14:32:44,068 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 86 [2018-10-04 14:32:44,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:44,068 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2018-10-04 14:32:44,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2018-10-04 14:32:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 14:32:44,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:44,069 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] [2018-10-04 14:32:44,070 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:44,070 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:44,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1980925187, now seen corresponding path program 1 times [2018-10-04 14:32:44,070 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:44,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:44,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:44,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-10-04 14:32:44,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:44,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:44,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:44,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:44,181 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:44,181 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand 3 states. [2018-10-04 14:32:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:44,394 INFO L93 Difference]: Finished difference Result 561 states and 712 transitions. [2018-10-04 14:32:44,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:44,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-10-04 14:32:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:44,396 INFO L225 Difference]: With dead ends: 561 [2018-10-04 14:32:44,397 INFO L226 Difference]: Without dead ends: 301 [2018-10-04 14:32:44,397 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-10-04 14:32:44,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-10-04 14:32:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-10-04 14:32:44,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2018-10-04 14:32:44,432 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 96 [2018-10-04 14:32:44,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:44,432 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2018-10-04 14:32:44,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:44,432 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2018-10-04 14:32:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-04 14:32:44,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:44,434 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] [2018-10-04 14:32:44,434 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:44,434 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:44,434 INFO L82 PathProgramCache]: Analyzing trace with hash -93746115, now seen corresponding path program 1 times [2018-10-04 14:32:44,435 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:44,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:44,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:44,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-10-04 14:32:44,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:44,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:44,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:44,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:44,544 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:44,545 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand 3 states. [2018-10-04 14:32:44,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:44,823 INFO L93 Difference]: Finished difference Result 397 states and 491 transitions. [2018-10-04 14:32:44,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:44,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-10-04 14:32:44,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:44,826 INFO L225 Difference]: With dead ends: 397 [2018-10-04 14:32:44,826 INFO L226 Difference]: Without dead ends: 395 [2018-10-04 14:32:44,827 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:32:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-10-04 14:32:44,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-10-04 14:32:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-04 14:32:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 489 transitions. [2018-10-04 14:32:44,884 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 489 transitions. Word has length 107 [2018-10-04 14:32:44,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:44,884 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 489 transitions. [2018-10-04 14:32:44,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 489 transitions. [2018-10-04 14:32:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 14:32:44,887 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:44,887 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] [2018-10-04 14:32:44,887 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:44,888 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:44,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1780977529, now seen corresponding path program 1 times [2018-10-04 14:32:44,888 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:44,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:44,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:44,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:44,909 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-04 14:32:44,909 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-04 14:32:44,909 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 [2018-10-04 14:32:44,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:45,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 14:32:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-10-04 14:32:45,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:32:45,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:32:45,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:32:45,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:32:45,268 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:45,268 INFO L87 Difference]: Start difference. First operand 395 states and 489 transitions. Second operand 3 states. [2018-10-04 14:32:45,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:45,380 INFO L93 Difference]: Finished difference Result 782 states and 969 transitions. [2018-10-04 14:32:45,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:32:45,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-10-04 14:32:45,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:45,383 INFO L225 Difference]: With dead ends: 782 [2018-10-04 14:32:45,383 INFO L226 Difference]: Without dead ends: 395 [2018-10-04 14:32:45,384 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.0s impTime 1 [2018-10-04 14:32:45,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-10-04 14:32:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-10-04 14:32:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-10-04 14:32:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2018-10-04 14:32:45,427 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 136 [2018-10-04 14:32:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:45,427 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2018-10-04 14:32:45,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:32:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2018-10-04 14:32:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-04 14:32:45,430 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:32:45,430 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] [2018-10-04 14:32:45,430 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:32:45,431 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:32:45,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1988836963, now seen corresponding path program 1 times [2018-10-04 14:32:45,431 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:32:45,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:32:45,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:45,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:45,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:32:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 14:32:45,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 14:32:45,658 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 [2018-10-04 14:32:45,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:32:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:32:45,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 14:32:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-04 14:32:45,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 14:32:45,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-04 14:32:45,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 14:32:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 14:32:45,914 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:32:45,914 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 4 states. [2018-10-04 14:32:46,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:32:46,097 INFO L93 Difference]: Finished difference Result 629 states and 744 transitions. [2018-10-04 14:32:46,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 14:32:46,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-10-04 14:32:46,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:32:46,101 INFO L225 Difference]: With dead ends: 629 [2018-10-04 14:32:46,102 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 14:32:46,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time 0.0s impTime 3 [2018-10-04 14:32:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 14:32:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 14:32:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 14:32:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 14:32:46,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-10-04 14:32:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:32:46,105 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 14:32:46,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 14:32:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 14:32:46,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 14:32:46,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 14:32:46,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:46,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-04 14:32:47,633 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2018-10-04 14:32:47,903 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-10-04 14:32:48,411 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-10-04 14:32:48,565 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2018-10-04 14:32:48,856 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-10-04 14:32:49,145 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 14:32:49,284 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 14:32:49,429 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-10-04 14:32:49,611 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 14:32:49,804 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 14:32:49,917 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-10-04 14:32:50,055 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-10-04 14:32:50,058 INFO L421 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)))) [2018-10-04 14:32:50,059 INFO L421 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)))) [2018-10-04 14:32:50,059 INFO L421 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))) [2018-10-04 14:32:50,059 INFO L421 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)))) [2018-10-04 14:32:50,059 INFO L421 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))) [2018-10-04 14:32:50,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 485) no Hoare annotation was computed. [2018-10-04 14:32:50,059 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 485) no Hoare annotation was computed. [2018-10-04 14:32:50,060 INFO L421 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))) [2018-10-04 14:32:50,060 INFO L421 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))) [2018-10-04 14:32:50,060 INFO L421 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))) [2018-10-04 14:32:50,060 INFO L421 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))) [2018-10-04 14:32:50,060 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 484) no Hoare annotation was computed. [2018-10-04 14:32:50,060 INFO L421 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)))) [2018-10-04 14:32:50,060 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 485) no Hoare annotation was computed. [2018-10-04 14:32:50,060 INFO L421 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)))) [2018-10-04 14:32:50,061 INFO L421 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)))) [2018-10-04 14:32:50,061 INFO L421 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)))) [2018-10-04 14:32:50,061 INFO L421 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)) [2018-10-04 14:32:50,061 INFO L421 ceAbstractionStarter]: At program point L476(lines 476 483) the Hoare annotation is: false [2018-10-04 14:32:50,061 INFO L421 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)))) [2018-10-04 14:32:50,061 INFO L421 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))) [2018-10-04 14:32:50,061 INFO L421 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))) [2018-10-04 14:32:50,061 INFO L421 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)))) [2018-10-04 14:32:50,085 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 04.10 02:32:50 BoogieIcfgContainer [2018-10-04 14:32:50,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 14:32:50,086 INFO L168 Benchmark]: Toolchain (without parser) took 14999.55 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 50.5 MB). Peak memory consumption was 590.9 MB. Max. memory is 7.1 GB. [2018-10-04 14:32:50,087 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:32:50,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:32:50,089 INFO L168 Benchmark]: Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:32:50,089 INFO L168 Benchmark]: RCFGBuilder took 760.43 ms. Allocated memory is still 1.6 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. [2018-10-04 14:32:50,090 INFO L168 Benchmark]: TraceAbstraction took 14128.77 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.8 MB). Peak memory consumption was 559.2 MB. Max. memory is 7.1 GB. [2018-10-04 14:32:50,095 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 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.66 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 760.43 ms. Allocated memory is still 1.6 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 14128.77 ms. Allocated memory was 1.6 GB in the beginning and 1.7 GB in the end (delta: 132.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.8 MB). Peak memory consumption was 559.2 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, 14.0s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 463 SDtfs, 165 SDslu, 184 SDs, 0 SdLazy, 673 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s 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, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s 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_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_14-32-50-120.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_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_14-32-50-120.csv Received shutdown request...