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 0.1.23-00a8621 [2018-09-30 10:56:08,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 10:56:08,757 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 10:56:08,769 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 10:56:08,769 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 10:56:08,770 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 10:56:08,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 10:56:08,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 10:56:08,775 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 10:56:08,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 10:56:08,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 10:56:08,810 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 [2018-09-30 10:56:08,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 10:56:08,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 10:56:08,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 10:56:08,840 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 10:56:08,841 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 10:56:08,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 10:56:08,842 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 10:56:08,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 10:56:08,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 10:56:08,844 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 10:56:08,844 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 10:56:08,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 10:56:08,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 10:56:08,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 10:56:08,845 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 10:56:08,845 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 10:56:08,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 10:56:08,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 10:56:08,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 10:56:08,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 10:56:08,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 10:56:08,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 10:56:08,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:56:08,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 10:56:08,848 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 10:56:08,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 10:56:08,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 10:56:08,849 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 10:56:08,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 10:56:08,849 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 10:56:08,849 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 10:56:08,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 10:56:08,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 10:56:08,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 10:56:08,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 10:56:08,937 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 10:56:08,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-09-30 10:56:08,939 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_3_alt.BV.c.cil.c_19.bpl' [2018-09-30 10:56:09,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 10:56:09,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 10:56:09,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 10:56:09,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 10:56:09,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 10:56:09,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 10:56:09,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 10:56:09,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 10:56:09,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 10:56:09,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... [2018-09-30 10:56:09,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 10:56:09,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 10:56:09,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 10:56:09,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 10:56:09,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 10:56:09,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 10:56:09,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 10:56:09,786 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 10:56:09,787 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:56:09 BoogieIcfgContainer [2018-09-30 10:56:09,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 10:56:09,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 10:56:09,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 10:56:09,791 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 10:56:09,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 10:56:09" (1/2) ... [2018-09-30 10:56:09,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c55b795 and model type s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 10:56:09, skipping insertion in model container [2018-09-30 10:56:09,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 10:56:09" (2/2) ... [2018-09-30 10:56:09,795 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3_alt.BV.c.cil.c_19.bpl [2018-09-30 10:56:09,806 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 10:56:09,818 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 10:56:09,876 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 10:56:09,877 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 10:56:09,877 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 10:56:09,878 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 10:56:09,878 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 10:56:09,878 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 10:56:09,878 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 10:56:09,878 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 10:56:09,878 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 10:56:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-09-30 10:56:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 10:56:09,908 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:09,915 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:09,918 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:09,926 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:09,927 INFO L82 PathProgramCache]: Analyzing trace with hash -505433715, now seen corresponding path program 1 times [2018-09-30 10:56:09,930 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:09,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:09,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:09,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:09,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:56:10,168 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:10,169 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:10,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:10,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:10,190 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:10,192 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2018-09-30 10:56:11,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:11,226 INFO L93 Difference]: Finished difference Result 56 states and 94 transitions. [2018-09-30 10:56:11,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:11,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-09-30 10:56:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:11,243 INFO L225 Difference]: With dead ends: 56 [2018-09-30 10:56:11,243 INFO L226 Difference]: Without dead ends: 34 [2018-09-30 10:56:11,247 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:11,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-09-30 10:56:11,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-09-30 10:56:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-30 10:56:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 57 transitions. [2018-09-30 10:56:11,286 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 57 transitions. Word has length 15 [2018-09-30 10:56:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:11,286 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 57 transitions. [2018-09-30 10:56:11,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2018-09-30 10:56:11,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 10:56:11,288 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:11,288 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:11,289 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:11,289 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:11,289 INFO L82 PathProgramCache]: Analyzing trace with hash -912155261, now seen corresponding path program 1 times [2018-09-30 10:56:11,289 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:11,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:11,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:11,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:11,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:56:11,385 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:11,385 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:11,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:11,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:11,388 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:11,388 INFO L87 Difference]: Start difference. First operand 34 states and 57 transitions. Second operand 3 states. [2018-09-30 10:56:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:11,877 INFO L93 Difference]: Finished difference Result 83 states and 141 transitions. [2018-09-30 10:56:11,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:11,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-09-30 10:56:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:11,880 INFO L225 Difference]: With dead ends: 83 [2018-09-30 10:56:11,880 INFO L226 Difference]: Without dead ends: 50 [2018-09-30 10:56:11,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:11,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-30 10:56:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-09-30 10:56:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-09-30 10:56:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 83 transitions. [2018-09-30 10:56:11,895 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 83 transitions. Word has length 23 [2018-09-30 10:56:11,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:11,895 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 83 transitions. [2018-09-30 10:56:11,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-09-30 10:56:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 10:56:11,897 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:11,897 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:11,897 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:11,898 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:11,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1423527967, now seen corresponding path program 1 times [2018-09-30 10:56:11,898 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:11,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:11,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 10:56:11,976 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:11,976 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:11,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:11,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:11,977 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:11,977 INFO L87 Difference]: Start difference. First operand 50 states and 83 transitions. Second operand 3 states. [2018-09-30 10:56:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:12,577 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2018-09-30 10:56:12,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:12,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 10:56:12,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:12,580 INFO L225 Difference]: With dead ends: 106 [2018-09-30 10:56:12,581 INFO L226 Difference]: Without dead ends: 57 [2018-09-30 10:56:12,582 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-09-30 10:56:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-09-30 10:56:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-09-30 10:56:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 92 transitions. [2018-09-30 10:56:12,596 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 92 transitions. Word has length 30 [2018-09-30 10:56:12,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:12,596 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 92 transitions. [2018-09-30 10:56:12,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-09-30 10:56:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 10:56:12,598 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:12,598 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:12,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:12,599 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:12,599 INFO L82 PathProgramCache]: Analyzing trace with hash 222883079, now seen corresponding path program 1 times [2018-09-30 10:56:12,599 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:12,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:12,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:12,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:12,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 10:56:12,654 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:12,655 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:12,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:12,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:12,656 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:12,656 INFO L87 Difference]: Start difference. First operand 57 states and 92 transitions. Second operand 3 states. [2018-09-30 10:56:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:13,067 INFO L93 Difference]: Finished difference Result 131 states and 214 transitions. [2018-09-30 10:56:13,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:13,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 10:56:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:13,072 INFO L225 Difference]: With dead ends: 131 [2018-09-30 10:56:13,072 INFO L226 Difference]: Without dead ends: 74 [2018-09-30 10:56:13,073 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-09-30 10:56:13,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-09-30 10:56:13,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-09-30 10:56:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 120 transitions. [2018-09-30 10:56:13,091 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 120 transitions. Word has length 30 [2018-09-30 10:56:13,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:13,091 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 120 transitions. [2018-09-30 10:56:13,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2018-09-30 10:56:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 10:56:13,093 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:13,093 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:13,094 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:13,094 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:13,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1035189277, now seen corresponding path program 1 times [2018-09-30 10:56:13,094 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:13,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:13,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:13,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-09-30 10:56:13,218 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:13,218 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:13,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:13,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:13,219 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:13,219 INFO L87 Difference]: Start difference. First operand 74 states and 120 transitions. Second operand 3 states. [2018-09-30 10:56:13,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:13,453 INFO L93 Difference]: Finished difference Result 153 states and 249 transitions. [2018-09-30 10:56:13,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:13,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-30 10:56:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:13,456 INFO L225 Difference]: With dead ends: 153 [2018-09-30 10:56:13,456 INFO L226 Difference]: Without dead ends: 80 [2018-09-30 10:56:13,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:13,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-30 10:56:13,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-30 10:56:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-30 10:56:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2018-09-30 10:56:13,472 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 36 [2018-09-30 10:56:13,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:13,473 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2018-09-30 10:56:13,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2018-09-30 10:56:13,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 10:56:13,475 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:13,475 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:13,475 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:13,476 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:13,476 INFO L82 PathProgramCache]: Analyzing trace with hash -720648959, now seen corresponding path program 1 times [2018-09-30 10:56:13,476 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:13,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:13,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:13,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-09-30 10:56:13,547 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:13,547 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:13,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:13,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:13,548 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:13,548 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand 3 states. [2018-09-30 10:56:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:13,827 INFO L93 Difference]: Finished difference Result 164 states and 257 transitions. [2018-09-30 10:56:13,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:13,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-09-30 10:56:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:13,830 INFO L225 Difference]: With dead ends: 164 [2018-09-30 10:56:13,830 INFO L226 Difference]: Without dead ends: 85 [2018-09-30 10:56:13,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-30 10:56:13,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-30 10:56:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-30 10:56:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2018-09-30 10:56:13,845 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 41 [2018-09-30 10:56:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:13,846 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2018-09-30 10:56:13,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-30 10:56:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 10:56:13,848 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:13,848 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:13,848 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:13,849 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:13,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2015268825, now seen corresponding path program 1 times [2018-09-30 10:56:13,849 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:13,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:13,862 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-09-30 10:56:13,863 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-09-30 10:56:13,863 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-09-30 10:56:13,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:13,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:56:14,180 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-09-30 10:56:14,213 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:14,213 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 10:56:14,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:14,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:14,214 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:14,215 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand 3 states. [2018-09-30 10:56:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:14,924 INFO L93 Difference]: Finished difference Result 246 states and 370 transitions. [2018-09-30 10:56:14,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:14,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-09-30 10:56:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:14,926 INFO L225 Difference]: With dead ends: 246 [2018-09-30 10:56:14,926 INFO L226 Difference]: Without dead ends: 162 [2018-09-30 10:56:14,927 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-09-30 10:56:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-09-30 10:56:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-09-30 10:56:14,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2018-09-30 10:56:14,955 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 44 [2018-09-30 10:56:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:14,955 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2018-09-30 10:56:14,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2018-09-30 10:56:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 10:56:14,958 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:14,958 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:14,958 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:14,959 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:14,959 INFO L82 PathProgramCache]: Analyzing trace with hash -688187521, now seen corresponding path program 1 times [2018-09-30 10:56:14,959 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:14,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:14,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:14,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:14,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-09-30 10:56:15,080 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:15,080 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:15,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:15,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:15,082 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:15,083 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand 3 states. [2018-09-30 10:56:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:15,459 INFO L93 Difference]: Finished difference Result 250 states and 366 transitions. [2018-09-30 10:56:15,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:15,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-09-30 10:56:15,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:15,461 INFO L225 Difference]: With dead ends: 250 [2018-09-30 10:56:15,461 INFO L226 Difference]: Without dead ends: 166 [2018-09-30 10:56:15,463 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:15,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-09-30 10:56:15,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-09-30 10:56:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-09-30 10:56:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 238 transitions. [2018-09-30 10:56:15,492 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 238 transitions. Word has length 47 [2018-09-30 10:56:15,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:15,493 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 238 transitions. [2018-09-30 10:56:15,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2018-09-30 10:56:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 10:56:15,501 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:15,502 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:15,502 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:15,502 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:15,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1326956629, now seen corresponding path program 1 times [2018-09-30 10:56:15,505 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:15,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:15,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:15,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:15,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 10:56:15,695 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:56:15,696 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:56:15,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:15,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:56:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 10:56:16,116 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-09-30 10:56:16,116 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-09-30 10:56:16,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-30 10:56:16,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-30 10:56:16,117 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:16,117 INFO L87 Difference]: Start difference. First operand 166 states and 238 transitions. Second operand 5 states. [2018-09-30 10:56:18,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:18,053 INFO L93 Difference]: Finished difference Result 598 states and 860 transitions. [2018-09-30 10:56:18,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-30 10:56:18,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-09-30 10:56:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:18,063 INFO L225 Difference]: With dead ends: 598 [2018-09-30 10:56:18,063 INFO L226 Difference]: Without dead ends: 406 [2018-09-30 10:56:18,065 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2018-09-30 10:56:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 240. [2018-09-30 10:56:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-09-30 10:56:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2018-09-30 10:56:18,116 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 48 [2018-09-30 10:56:18,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:18,116 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2018-09-30 10:56:18,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-30 10:56:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2018-09-30 10:56:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 10:56:18,118 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:18,118 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:18,118 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:18,122 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:18,122 INFO L82 PathProgramCache]: Analyzing trace with hash 2115677753, now seen corresponding path program 1 times [2018-09-30 10:56:18,122 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:18,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:18,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:18,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-09-30 10:56:18,165 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:18,165 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:18,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:18,166 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:18,166 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand 3 states. [2018-09-30 10:56:18,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:18,442 INFO L93 Difference]: Finished difference Result 399 states and 560 transitions. [2018-09-30 10:56:18,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:18,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-09-30 10:56:18,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:18,449 INFO L225 Difference]: With dead ends: 399 [2018-09-30 10:56:18,449 INFO L226 Difference]: Without dead ends: 239 [2018-09-30 10:56:18,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:18,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-09-30 10:56:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-09-30 10:56:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-09-30 10:56:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 329 transitions. [2018-09-30 10:56:18,481 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 329 transitions. Word has length 60 [2018-09-30 10:56:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:18,482 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 329 transitions. [2018-09-30 10:56:18,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 329 transitions. [2018-09-30 10:56:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 10:56:18,483 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:18,483 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:18,484 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:18,484 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:18,484 INFO L82 PathProgramCache]: Analyzing trace with hash 227864519, now seen corresponding path program 1 times [2018-09-30 10:56:18,484 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:18,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:18,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:18,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-09-30 10:56:18,579 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:18,579 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:18,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:18,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:18,580 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:18,580 INFO L87 Difference]: Start difference. First operand 239 states and 329 transitions. Second operand 3 states. [2018-09-30 10:56:18,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:18,829 INFO L93 Difference]: Finished difference Result 470 states and 649 transitions. [2018-09-30 10:56:18,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:18,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-09-30 10:56:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:18,835 INFO L225 Difference]: With dead ends: 470 [2018-09-30 10:56:18,835 INFO L226 Difference]: Without dead ends: 237 [2018-09-30 10:56:18,835 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:18,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-09-30 10:56:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-09-30 10:56:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-09-30 10:56:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 319 transitions. [2018-09-30 10:56:18,863 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 319 transitions. Word has length 65 [2018-09-30 10:56:18,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:18,863 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 319 transitions. [2018-09-30 10:56:18,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 319 transitions. [2018-09-30 10:56:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 10:56:18,865 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:18,865 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:18,865 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:18,865 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:18,865 INFO L82 PathProgramCache]: Analyzing trace with hash -242141821, now seen corresponding path program 1 times [2018-09-30 10:56:18,866 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:18,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:18,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:18,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 10:56:18,954 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:18,955 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:18,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:18,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:18,955 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:18,955 INFO L87 Difference]: Start difference. First operand 237 states and 319 transitions. Second operand 3 states. [2018-09-30 10:56:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:19,261 INFO L93 Difference]: Finished difference Result 465 states and 628 transitions. [2018-09-30 10:56:19,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:19,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-09-30 10:56:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:19,263 INFO L225 Difference]: With dead ends: 465 [2018-09-30 10:56:19,263 INFO L226 Difference]: Without dead ends: 235 [2018-09-30 10:56:19,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-09-30 10:56:19,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-09-30 10:56:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-09-30 10:56:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2018-09-30 10:56:19,289 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 71 [2018-09-30 10:56:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:19,290 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2018-09-30 10:56:19,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2018-09-30 10:56:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 10:56:19,291 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:19,291 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 6, 5, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:19,291 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:19,292 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1274982729, now seen corresponding path program 1 times [2018-09-30 10:56:19,292 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:19,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:19,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:19,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:19,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-09-30 10:56:19,400 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:19,401 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:19,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:19,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:19,401 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:19,402 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand 3 states. [2018-09-30 10:56:19,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:19,640 INFO L93 Difference]: Finished difference Result 465 states and 615 transitions. [2018-09-30 10:56:19,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:19,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-09-30 10:56:19,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:19,642 INFO L225 Difference]: With dead ends: 465 [2018-09-30 10:56:19,643 INFO L226 Difference]: Without dead ends: 238 [2018-09-30 10:56:19,643 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:19,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-09-30 10:56:19,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-09-30 10:56:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-09-30 10:56:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 307 transitions. [2018-09-30 10:56:19,671 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 307 transitions. Word has length 78 [2018-09-30 10:56:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:19,671 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 307 transitions. [2018-09-30 10:56:19,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 307 transitions. [2018-09-30 10:56:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 10:56:19,672 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:19,673 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 7, 6, 5, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:19,673 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:19,673 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:19,673 INFO L82 PathProgramCache]: Analyzing trace with hash 409856557, now seen corresponding path program 1 times [2018-09-30 10:56:19,673 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:19,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:19,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:19,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:19,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-09-30 10:56:19,772 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:19,773 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:19,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:19,773 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:19,774 INFO L87 Difference]: Start difference. First operand 238 states and 307 transitions. Second operand 3 states. [2018-09-30 10:56:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:20,938 INFO L93 Difference]: Finished difference Result 498 states and 646 transitions. [2018-09-30 10:56:20,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:20,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-09-30 10:56:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:20,940 INFO L225 Difference]: With dead ends: 498 [2018-09-30 10:56:20,941 INFO L226 Difference]: Without dead ends: 268 [2018-09-30 10:56:20,941 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-09-30 10:56:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2018-09-30 10:56:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-09-30 10:56:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2018-09-30 10:56:20,973 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 86 [2018-09-30 10:56:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:20,974 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2018-09-30 10:56:20,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2018-09-30 10:56:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 10:56:20,975 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:20,975 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:20,975 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:20,976 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1980925187, now seen corresponding path program 1 times [2018-09-30 10:56:20,976 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:20,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:20,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:20,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:20,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-09-30 10:56:21,087 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:21,087 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:21,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:21,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:21,088 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:21,088 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand 3 states. [2018-09-30 10:56:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:21,493 INFO L93 Difference]: Finished difference Result 561 states and 712 transitions. [2018-09-30 10:56:21,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:21,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-09-30 10:56:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:21,495 INFO L225 Difference]: With dead ends: 561 [2018-09-30 10:56:21,495 INFO L226 Difference]: Without dead ends: 301 [2018-09-30 10:56:21,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:21,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-09-30 10:56:21,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-09-30 10:56:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-09-30 10:56:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2018-09-30 10:56:21,536 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 96 [2018-09-30 10:56:21,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:21,537 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2018-09-30 10:56:21,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2018-09-30 10:56:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 10:56:21,539 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:21,539 INFO L375 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:21,540 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:21,540 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:21,540 INFO L82 PathProgramCache]: Analyzing trace with hash -93746115, now seen corresponding path program 1 times [2018-09-30 10:56:21,540 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:21,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:21,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:21,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:21,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-09-30 10:56:21,678 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:21,679 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:21,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:21,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:21,679 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:21,680 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand 3 states. [2018-09-30 10:56:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:21,915 INFO L93 Difference]: Finished difference Result 397 states and 491 transitions. [2018-09-30 10:56:21,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:21,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-09-30 10:56:21,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:21,924 INFO L225 Difference]: With dead ends: 397 [2018-09-30 10:56:21,924 INFO L226 Difference]: Without dead ends: 395 [2018-09-30 10:56:21,924 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:21,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-09-30 10:56:21,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-09-30 10:56:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-09-30 10:56:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 489 transitions. [2018-09-30 10:56:21,967 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 489 transitions. Word has length 107 [2018-09-30 10:56:21,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:21,967 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 489 transitions. [2018-09-30 10:56:21,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 489 transitions. [2018-09-30 10:56:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 10:56:21,969 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:21,970 INFO L375 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 11, 10, 9, 8, 7, 6, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:21,970 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:21,970 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:21,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1780977529, now seen corresponding path program 1 times [2018-09-30 10:56:21,970 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:21,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:21,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:21,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:21,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:21,988 ERROR L236 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-09-30 10:56:21,988 INFO L259 seRefinementStrategy]: Advancing trace checker [2018-09-30 10:56:21,988 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-09-30 10:56:22,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:22,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:56:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-09-30 10:56:22,278 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 10:56:22,279 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 10:56:22,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 10:56:22,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 10:56:22,279 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:22,280 INFO L87 Difference]: Start difference. First operand 395 states and 489 transitions. Second operand 3 states. [2018-09-30 10:56:22,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:22,460 INFO L93 Difference]: Finished difference Result 782 states and 969 transitions. [2018-09-30 10:56:22,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 10:56:22,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-09-30 10:56:22,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:22,463 INFO L225 Difference]: With dead ends: 782 [2018-09-30 10:56:22,463 INFO L226 Difference]: Without dead ends: 395 [2018-09-30 10:56:22,464 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-09-30 10:56:22,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-09-30 10:56:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-09-30 10:56:22,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2018-09-30 10:56:22,518 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 136 [2018-09-30 10:56:22,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:22,519 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2018-09-30 10:56:22,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 10:56:22,519 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2018-09-30 10:56:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-30 10:56:22,521 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 10:56:22,521 INFO L375 BasicCegarLoop]: trace histogram [19, 18, 18, 17, 16, 15, 14, 12, 10, 8, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 10:56:22,522 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 10:56:22,522 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 10:56:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1988836963, now seen corresponding path program 1 times [2018-09-30 10:56:22,522 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 10:56:22,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 10:56:22,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:22,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 10:56:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 10:56:22,798 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 10:56:22,798 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 10:56:22,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 10:56:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 10:56:22,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 10:56:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 740 proven. 8 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-09-30 10:56:23,330 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 10:56:23,331 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-09-30 10:56:23,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 10:56:23,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 10:56:23,332 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 10:56:23,332 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 4 states. [2018-09-30 10:56:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 10:56:23,565 INFO L93 Difference]: Finished difference Result 629 states and 744 transitions. [2018-09-30 10:56:23,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-30 10:56:23,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 188 [2018-09-30 10:56:23,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 10:56:23,566 INFO L225 Difference]: With dead ends: 629 [2018-09-30 10:56:23,566 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 10:56:23,567 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 10:56:23,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 10:56:23,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 10:56:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 10:56:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 10:56:23,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-09-30 10:56:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 10:56:23,568 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 10:56:23,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 10:56:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 10:56:23,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 10:56:23,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 10:56:23,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:23,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 10:56:24,852 WARN L178 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2018-09-30 10:56:24,995 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-09-30 10:56:25,486 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-09-30 10:56:25,824 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:56:25,977 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:56:26,418 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:56:26,535 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2018-09-30 10:56:26,683 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:56:26,980 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-09-30 10:56:27,082 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2018-09-30 10:56:27,085 INFO L422 ceAbstractionStarter]: At program point L345(lines 345 353) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse5 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 .cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)))) [2018-09-30 10:56:27,086 INFO L422 ceAbstractionStarter]: At program point L304(lines 304 320) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse2 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse3 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse3 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-09-30 10:56:27,086 INFO L422 ceAbstractionStarter]: At program point L420(lines 420 440) the Hoare annotation is: (let ((.cse0 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1) (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) .cse0 .cse1))) [2018-09-30 10:56:27,086 INFO L422 ceAbstractionStarter]: At program point L482(lines 264 482) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,086 INFO L422 ceAbstractionStarter]: At program point L416(lines 416 427) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:56:27,086 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:56:27,087 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:56:27,087 INFO L422 ceAbstractionStarter]: At program point L408(lines 408 417) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:56:27,087 INFO L422 ceAbstractionStarter]: At program point L375(lines 375 387) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:56:27,087 INFO L422 ceAbstractionStarter]: At program point L462(lines 459 477) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:56:27,087 INFO L422 ceAbstractionStarter]: At program point L429(lines 426 448) the Hoare annotation is: (and (not (= 8656 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:56:27,087 INFO L422 ceAbstractionStarter]: At program point L355(lines 355 372) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,088 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 3 485) no Hoare annotation was computed. [2018-09-30 10:56:27,088 INFO L422 ceAbstractionStarter]: At program point L273(lines 236 273) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,088 INFO L422 ceAbstractionStarter]: At program point L269(lines 269 288) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,088 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 484) no Hoare annotation was computed. [2018-09-30 10:56:27,088 INFO L422 ceAbstractionStarter]: At program point L323(lines 323 340) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse3 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse4 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse0) (and .cse1 .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)) (and .cse2 .cse3 .cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and .cse1 .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)))) [2018-09-30 10:56:27,088 INFO L422 ceAbstractionStarter]: At program point L447(lines 447 473) the Hoare annotation is: (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) [2018-09-30 10:56:27,089 INFO L422 ceAbstractionStarter]: At program point L476(lines 476 483) the Hoare annotation is: false [2018-09-30 10:56:27,089 INFO L422 ceAbstractionStarter]: At program point L249(lines 249 265) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,089 INFO L422 ceAbstractionStarter]: At program point L439(lines 439 460) the Hoare annotation is: (and (not (= 8672 ULTIMATE.start_ssl3_accept_~s__state~4)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) [2018-09-30 10:56:27,089 INFO L422 ceAbstractionStarter]: At program point L390(lines 390 405) the Hoare annotation is: (let ((.cse0 (not (= 8512 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse1 (not (= 8544 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse2 (not (= 8528 ULTIMATE.start_ssl3_accept_~s__state~4))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4)))) (or (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3)) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576) (<= ULTIMATE.start_ssl3_accept_~s__state~4 8576) .cse3) (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2) .cse0 .cse1 .cse2 .cse3))) [2018-09-30 10:56:27,089 INFO L422 ceAbstractionStarter]: At program point L291(lines 291 301) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 2)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~4 3))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~4 8576)) (and (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~4) .cse1) (and .cse0 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~4))) (and .cse2 .cse1 (= ULTIMATE.start_ssl3_accept_~s__state~4 8448)) (and .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~4 3)))) [2018-09-30 10:56:27,107 INFO L202 PluginConnector]: Adding new model s3_srvr_3_alt.BV.c.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 10:56:27 BoogieIcfgContainer [2018-09-30 10:56:27,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 10:56:27,108 INFO L168 Benchmark]: Toolchain (without parser) took 18088.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 149.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 259.5 MB). Peak memory consumption was 408.9 MB. Max. memory is 7.1 GB. [2018-09-30 10:56:27,110 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:56:27,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:56:27,111 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 10:56:27,111 INFO L168 Benchmark]: RCFGBuilder took 681.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-30 10:56:27,112 INFO L168 Benchmark]: TraceAbstraction took 17319.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 149.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 227.8 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. [2018-09-30 10:56:27,116 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 681.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17319.79 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 149.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 227.8 MB). Peak memory consumption was 377.2 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, 17.2s OverallTime, 18 OverallIterations, 19 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 463 SDtfs, 165 SDslu, 184 SDs, 0 SdLazy, 673 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 19 PreInvPairs, 288 NumberOfFragments, 732 HoareAnnotationTreeSize, 19 FomulaSimplifications, 12030 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1541 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s 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-0-2018-09-30_10-56-27-135.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-0-2018-09-30_10-56-27-135.csv Received shutdown request...