java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.BV.c.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:14:44,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:14:44,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:14:44,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:14:44,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:14:44,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:14:44,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:14:44,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:14:44,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:14:44,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:14:44,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:14:44,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:14:44,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:14:44,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:14:44,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:14:44,879 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:14:44,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:14:44,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:14:44,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:14:44,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:14:44,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:14:44,888 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:14:44,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:14:44,890 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:14:44,891 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:14:44,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:14:44,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:14:44,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:14:44,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:14:44,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:14:44,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:14:44,896 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:14:44,896 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:14:44,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:14:44,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:14:44,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:14:44,899 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:14:44,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:14:44,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:14:44,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:14:44,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:14:44,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:14:44,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:44,909 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:14:44,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:14:44,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:14:44,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:14:44,972 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:14:44,972 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:14:44,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.BV.c.cil.c_21.bpl [2018-07-25 14:14:44,973 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.BV.c.cil.c_21.bpl' [2018-07-25 14:14:45,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:14:45,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:14:45,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:14:45,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:14:45,054 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:14:45,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:14:45,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:14:45,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:14:45,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:14:45,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... [2018-07-25 14:14:45,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:14:45,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:14:45,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:14:45,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:14:45,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 14:14:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:14:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:14:45,972 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:14:45,973 INFO L202 PluginConnector]: Adding new model s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:14:45 BoogieIcfgContainer [2018-07-25 14:14:45,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:14:45,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:14:45,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:14:45,979 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:14:45,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:14:45" (1/2) ... [2018-07-25 14:14:45,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0fa458 and model type s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:14:45, skipping insertion in model container [2018-07-25 14:14:45,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:14:45" (2/2) ... [2018-07-25 14:14:45,982 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c_21.bpl [2018-07-25 14:14:45,992 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:14:46,001 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:14:46,050 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:14:46,051 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:14:46,051 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:14:46,051 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:14:46,051 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:14:46,052 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:14:46,052 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:14:46,052 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:14:46,052 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:14:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-07-25 14:14:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-25 14:14:46,086 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:14:46,089 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:14:46,090 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:14:46,096 INFO L82 PathProgramCache]: Analyzing trace with hash -505433777, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:46,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:14:46,402 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-07-25 14:14:47,337 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:14:47,337 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:14:47,342 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:14:47,349 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:14:47,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:14:47,352 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2018-07-25 14:14:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:14:47,686 INFO L93 Difference]: Finished difference Result 47 states and 81 transitions. [2018-07-25 14:14:47,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:14:47,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-07-25 14:14:47,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:14:47,703 INFO L225 Difference]: With dead ends: 47 [2018-07-25 14:14:47,704 INFO L226 Difference]: Without dead ends: 44 [2018-07-25 14:14:47,707 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 839 SyntacticMatches, 11 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:14:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-25 14:14:47,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-25 14:14:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-25 14:14:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 77 transitions. [2018-07-25 14:14:47,765 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 77 transitions. Word has length 15 [2018-07-25 14:14:47,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:14:47,766 INFO L472 AbstractCegarLoop]: Abstraction has 44 states and 77 transitions. [2018-07-25 14:14:47,766 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:14:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2018-07-25 14:14:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-25 14:14:47,768 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:14:47,768 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:14:47,769 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:14:47,769 INFO L82 PathProgramCache]: Analyzing trace with hash 540887753, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:47,778 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:14:48,050 WARN L169 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-07-25 14:14:48,954 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-07-25 14:14:49,884 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:14:49,884 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:14:49,886 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:14:49,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:14:49,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-07-25 14:14:49,887 INFO L87 Difference]: Start difference. First operand 44 states and 77 transitions. Second operand 6 states. [2018-07-25 14:14:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:14:50,246 INFO L93 Difference]: Finished difference Result 60 states and 104 transitions. [2018-07-25 14:14:50,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 14:14:50,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-07-25 14:14:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:14:50,249 INFO L225 Difference]: With dead ends: 60 [2018-07-25 14:14:50,249 INFO L226 Difference]: Without dead ends: 58 [2018-07-25 14:14:50,251 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3162 GetRequests, 3135 SyntacticMatches, 17 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-07-25 14:14:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-25 14:14:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2018-07-25 14:14:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-25 14:14:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 77 transitions. [2018-07-25 14:14:50,262 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 77 transitions. Word has length 35 [2018-07-25 14:14:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:14:50,263 INFO L472 AbstractCegarLoop]: Abstraction has 44 states and 77 transitions. [2018-07-25 14:14:50,263 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:14:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2018-07-25 14:14:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-25 14:14:50,264 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:14:50,264 INFO L354 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2018-07-25 14:14:50,265 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:14:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1868096046, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:50,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:14:55,072 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:14:55,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:14:55,073 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:14:55,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:14:55,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-07-25 14:14:55,074 INFO L87 Difference]: Start difference. First operand 44 states and 77 transitions. Second operand 6 states. [2018-07-25 14:14:55,272 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2018-07-25 14:14:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:14:56,054 INFO L93 Difference]: Finished difference Result 98 states and 173 transitions. [2018-07-25 14:14:56,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-25 14:14:56,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-07-25 14:14:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:14:56,056 INFO L225 Difference]: With dead ends: 98 [2018-07-25 14:14:56,056 INFO L226 Difference]: Without dead ends: 96 [2018-07-25 14:14:56,057 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 14493 GetRequests, 14446 SyntacticMatches, 32 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2018-07-25 14:14:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-25 14:14:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 89. [2018-07-25 14:14:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-25 14:14:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 159 transitions. [2018-07-25 14:14:56,086 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 159 transitions. Word has length 40 [2018-07-25 14:14:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:14:56,086 INFO L472 AbstractCegarLoop]: Abstraction has 89 states and 159 transitions. [2018-07-25 14:14:56,086 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:14:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 159 transitions. [2018-07-25 14:14:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-25 14:14:56,089 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:14:56,089 INFO L354 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:14:56,089 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:14:56,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2049536668, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:56,105 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:14:59,142 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:15:00,441 WARN L169 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:15:01,818 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:15:04,153 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:15:05,284 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:15:12,143 WARN L169 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:15:14,512 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:15:14,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 14:15:14,512 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:15:14,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:15:14,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2018-07-25 14:15:14,513 INFO L87 Difference]: Start difference. First operand 89 states and 159 transitions. Second operand 7 states. [2018-07-25 14:15:14,841 WARN L169 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2018-07-25 14:15:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:15:15,407 INFO L93 Difference]: Finished difference Result 134 states and 238 transitions. [2018-07-25 14:15:15,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-25 14:15:15,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-07-25 14:15:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:15:15,411 INFO L225 Difference]: With dead ends: 134 [2018-07-25 14:15:15,412 INFO L226 Difference]: Without dead ends: 132 [2018-07-25 14:15:15,413 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 33574 GetRequests, 33494 SyntacticMatches, 50 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=279, Invalid=713, Unknown=0, NotChecked=0, Total=992 [2018-07-25 14:15:15,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-25 14:15:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 81. [2018-07-25 14:15:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-25 14:15:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 145 transitions. [2018-07-25 14:15:15,435 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 145 transitions. Word has length 48 [2018-07-25 14:15:15,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:15:15,435 INFO L472 AbstractCegarLoop]: Abstraction has 81 states and 145 transitions. [2018-07-25 14:15:15,435 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:15:15,435 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions. [2018-07-25 14:15:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-25 14:15:15,437 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:15:15,437 INFO L354 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:15:15,438 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:15:15,438 INFO L82 PathProgramCache]: Analyzing trace with hash -359900094, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:15:15,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:15:19,641 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-07-25 14:15:19,939 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:15:25,165 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:15:26,642 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:15:26,642 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-25 14:15:26,643 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:15:26,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:15:26,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:15:26,644 INFO L87 Difference]: Start difference. First operand 81 states and 145 transitions. Second operand 7 states. [2018-07-25 14:15:26,876 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-07-25 14:15:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:15:27,678 INFO L93 Difference]: Finished difference Result 185 states and 332 transitions. [2018-07-25 14:15:27,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-25 14:15:27,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-07-25 14:15:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:15:27,682 INFO L225 Difference]: With dead ends: 185 [2018-07-25 14:15:27,683 INFO L226 Difference]: Without dead ends: 183 [2018-07-25 14:15:27,683 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 30237 GetRequests, 30176 SyntacticMatches, 41 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2018-07-25 14:15:27,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-25 14:15:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2018-07-25 14:15:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-25 14:15:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 313 transitions. [2018-07-25 14:15:27,745 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 313 transitions. Word has length 51 [2018-07-25 14:15:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:15:27,745 INFO L472 AbstractCegarLoop]: Abstraction has 173 states and 313 transitions. [2018-07-25 14:15:27,745 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:15:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 313 transitions. [2018-07-25 14:15:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-25 14:15:27,748 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:15:27,748 INFO L354 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:15:27,749 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:15:27,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1204157128, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:15:27,765 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:15:28,751 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-07-25 14:15:30,533 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:15:31,919 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:15:33,290 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:15:35,695 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:15:36,476 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-07-25 14:15:36,900 WARN L169 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:15:37,261 WARN L169 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:15:40,432 WARN L169 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-25 14:15:45,335 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:15:50,543 WARN L169 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-25 14:15:52,485 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2018-07-25 14:15:53,009 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-25 14:16:09,658 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-25 14:16:15,360 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:16:15,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-25 14:16:15,361 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 14:16:15,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 14:16:15,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=1087, Unknown=0, NotChecked=0, Total=1482 [2018-07-25 14:16:15,362 INFO L87 Difference]: Start difference. First operand 173 states and 313 transitions. Second operand 8 states. [2018-07-25 14:16:15,857 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2018-07-25 14:16:16,122 WARN L169 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2018-07-25 14:16:16,587 WARN L169 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-07-25 14:16:16,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:16:16,963 INFO L93 Difference]: Finished difference Result 261 states and 470 transitions. [2018-07-25 14:16:16,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-25 14:16:16,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-07-25 14:16:16,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:16:16,966 INFO L225 Difference]: With dead ends: 261 [2018-07-25 14:16:16,966 INFO L226 Difference]: Without dead ends: 259 [2018-07-25 14:16:16,967 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 67672 GetRequests, 67567 SyntacticMatches, 65 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1927 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=467, Invalid=1255, Unknown=0, NotChecked=0, Total=1722 [2018-07-25 14:16:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-25 14:16:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 128. [2018-07-25 14:16:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-25 14:16:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 231 transitions. [2018-07-25 14:16:17,010 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 231 transitions. Word has length 59 [2018-07-25 14:16:17,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:16:17,010 INFO L472 AbstractCegarLoop]: Abstraction has 128 states and 231 transitions. [2018-07-25 14:16:17,010 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 14:16:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 231 transitions. [2018-07-25 14:16:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-25 14:16:17,012 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:16:17,013 INFO L354 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:16:17,013 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:16:17,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1746155662, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:16:17,024 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:16:20,935 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-07-25 14:16:21,613 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:16:27,285 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:16:28,534 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 14:16:38,871 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 14:16:41,954 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:16:41,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-25 14:16:41,955 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 14:16:41,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 14:16:41,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2018-07-25 14:16:41,956 INFO L87 Difference]: Start difference. First operand 128 states and 231 transitions. Second operand 8 states. [2018-07-25 14:16:42,283 WARN L169 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2018-07-25 14:16:42,603 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-07-25 14:16:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:16:43,389 INFO L93 Difference]: Finished difference Result 268 states and 484 transitions. [2018-07-25 14:16:43,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-25 14:16:43,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2018-07-25 14:16:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:16:43,392 INFO L225 Difference]: With dead ends: 268 [2018-07-25 14:16:43,392 INFO L226 Difference]: Without dead ends: 266 [2018-07-25 14:16:43,393 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 53211 GetRequests, 53137 SyntacticMatches, 49 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2018-07-25 14:16:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-07-25 14:16:43,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 252. [2018-07-25 14:16:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-07-25 14:16:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 457 transitions. [2018-07-25 14:16:43,477 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 457 transitions. Word has length 61 [2018-07-25 14:16:43,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:16:43,477 INFO L472 AbstractCegarLoop]: Abstraction has 252 states and 457 transitions. [2018-07-25 14:16:43,478 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 14:16:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 457 transitions. [2018-07-25 14:16:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-25 14:16:43,480 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:16:43,480 INFO L354 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:16:43,481 INFO L415 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:16:43,481 INFO L82 PathProgramCache]: Analyzing trace with hash 443233512, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:16:43,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:16:45,957 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:16:47,239 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:16:48,623 WARN L169 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 14:16:51,471 WARN L169 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-07-25 14:16:52,707 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:16:53,065 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:16:56,299 WARN L169 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-25 14:17:01,539 WARN L169 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-07-25 14:17:06,858 WARN L169 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-07-25 14:17:09,530 WARN L169 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 14:17:10,360 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-25 14:17:15,333 WARN L169 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-07-25 14:17:30,025 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-25 14:17:37,811 WARN L169 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-07-25 14:17:41,966 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-07-25 14:17:42,689 WARN L169 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-25 14:18:16,925 WARN L169 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-25 14:18:28,917 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:18:28,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-07-25 14:18:28,918 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 14:18:28,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 14:18:28,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=1660, Unknown=0, NotChecked=0, Total=2256 [2018-07-25 14:18:28,919 INFO L87 Difference]: Start difference. First operand 252 states and 457 transitions. Second operand 9 states. [2018-07-25 14:18:29,661 WARN L169 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-07-25 14:18:29,972 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-07-25 14:18:30,670 WARN L169 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2018-07-25 14:18:31,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:18:31,385 INFO L93 Difference]: Finished difference Result 406 states and 735 transitions. [2018-07-25 14:18:31,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 14:18:31,385 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2018-07-25 14:18:31,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:18:31,389 INFO L225 Difference]: With dead ends: 406 [2018-07-25 14:18:31,389 INFO L226 Difference]: Without dead ends: 404 [2018-07-25 14:18:31,391 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 117074 GetRequests, 116945 SyntacticMatches, 79 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2944 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=701, Invalid=1951, Unknown=0, NotChecked=0, Total=2652 [2018-07-25 14:18:31,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-07-25 14:18:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 185. [2018-07-25 14:18:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-25 14:18:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 335 transitions. [2018-07-25 14:18:31,447 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 335 transitions. Word has length 69 [2018-07-25 14:18:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:18:31,447 INFO L472 AbstractCegarLoop]: Abstraction has 185 states and 335 transitions. [2018-07-25 14:18:31,447 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 14:18:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 335 transitions. [2018-07-25 14:18:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-25 14:18:31,448 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:18:31,449 INFO L354 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:18:31,449 INFO L415 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:18:31,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1532150264, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:18:31,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:18:33,048 WARN L169 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-07-25 14:18:36,723 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:18:42,978 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-07-25 14:18:44,317 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 14:18:55,266 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 14:18:57,073 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2018-07-25 14:18:57,558 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-07-25 14:19:14,696 WARN L169 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-07-25 14:19:19,814 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:19:19,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-07-25 14:19:19,814 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 14:19:19,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 14:19:19,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2018-07-25 14:19:19,815 INFO L87 Difference]: Start difference. First operand 185 states and 335 transitions. Second operand 9 states. [2018-07-25 14:19:20,438 WARN L169 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-07-25 14:19:20,890 WARN L169 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-07-25 14:19:21,713 WARN L169 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2018-07-25 14:19:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:19:21,953 INFO L93 Difference]: Finished difference Result 353 states and 640 transitions. [2018-07-25 14:19:21,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 14:19:21,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2018-07-25 14:19:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:19:21,956 INFO L225 Difference]: With dead ends: 353 [2018-07-25 14:19:21,956 INFO L226 Difference]: Without dead ends: 351 [2018-07-25 14:19:21,957 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 83536 GetRequests, 83450 SyntacticMatches, 56 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2018-07-25 14:19:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-07-25 14:19:22,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 331. [2018-07-25 14:19:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-25 14:19:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 601 transitions. [2018-07-25 14:19:22,068 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 601 transitions. Word has length 70 [2018-07-25 14:19:22,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:19:22,068 INFO L472 AbstractCegarLoop]: Abstraction has 331 states and 601 transitions. [2018-07-25 14:19:22,069 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 14:19:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 601 transitions. [2018-07-25 14:19:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-25 14:19:22,070 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:19:22,070 INFO L354 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-25 14:19:22,070 INFO L415 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:19:22,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1611830610, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:19:22,079 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:19:24,643 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 Received shutdown request... [2018-07-25 14:19:25,981 WARN L177 SmtUtils]: Removed 16 from assertion stack [2018-07-25 14:19:26,183 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:19:26,184 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:19:26,189 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:19:26,189 INFO L202 PluginConnector]: Adding new model s3_srvr_1.BV.c.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:19:26 BoogieIcfgContainer [2018-07-25 14:19:26,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:19:26,190 INFO L168 Benchmark]: Toolchain (without parser) took 281139.81 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -117.4 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 459.0 MB). Peak memory consumption was 341.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:19:26,192 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:19:26,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.37 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. [2018-07-25 14:19:26,193 INFO L168 Benchmark]: Boogie Preprocessor took 61.53 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. [2018-07-25 14:19:26,193 INFO L168 Benchmark]: RCFGBuilder took 799.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-25 14:19:26,194 INFO L168 Benchmark]: TraceAbstraction took 280214.23 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -117.4 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 427.3 MB). Peak memory consumption was 309.8 MB. Max. memory is 7.1 GB. [2018-07-25 14:19:26,197 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.37 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 61.53 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 799.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280214.23 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -117.4 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 427.3 MB). Peak memory consumption was 309.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 479]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 479). Cancelled while BasicCegarLoop was analyzing trace of length 79 with TraceHistMax 7, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 63. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. TIMEOUT Result, 280.1s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 1122 SDslu, 37 SDs, 0 SdLazy, 1006 SolverSat, 1113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403813 GetRequests, 403189 SyntacticMatches, 400 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8336 ImplicationChecksByTransitivity, 40.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=9, 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, 9 MinimizatonAttempts, 466 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 263.7s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1.BV.c.cil.c_21.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-19-26-209.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_1.BV.c.cil.c_21.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-19-26-209.csv Completed graceful shutdown