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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:26:28,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:26:28,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:26:28,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:26:28,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:26:28,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:26:28,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:26:28,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:26:28,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:26:28,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:26:28,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:26:28,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:26:28,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:26:28,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:26:28,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:26:28,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:26:28,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:26:28,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:26:28,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:26:28,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:26:28,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:26:28,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:26:28,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:26:28,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:26:28,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:26:28,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:26:28,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:26:28,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:26:28,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:26:28,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:26:28,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:26:28,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 09:26:28,331 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:26:28,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:26:28,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:26:28,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:26:28,342 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:26:28,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:26:28,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:26:28,343 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:26:28,343 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:26:28,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:26:28,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:26:28,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:26:28,443 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:26:28,443 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:26:28,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl [2018-09-26 09:26:28,444 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out_Reals.bpl' [2018-09-26 09:26:28,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:26:28,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:26:28,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:26:28,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:26:28,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:26:28,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,607 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:26:28,607 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:26:28,607 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:26:28,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:26:28,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:26:28,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:26:28,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:26:28,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:26:28,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:26:28,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:26:28,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:26:28,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/1) ... [2018-09-26 09:26:28,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 09:26:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 09:26:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 09:26:29,063 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:26:29,064 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:26:29 BoogieIcfgContainer [2018-09-26 09:26:29,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:26:29,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:26:29,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:26:29,069 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:26:29,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:26:28" (1/2) ... [2018-09-26 09:26:29,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532118f6 and model type threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:26:29, skipping insertion in model container [2018-09-26 09:26:29,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:26:29" (2/2) ... [2018-09-26 09:26:29,074 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out_Reals.bpl [2018-09-26 09:26:29,085 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:26:29,094 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2018-09-26 09:26:29,151 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:26:29,152 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:26:29,152 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:26:29,152 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:26:29,152 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:26:29,153 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:26:29,153 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:26:29,153 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:26:29,153 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:26:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-09-26 09:26:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 09:26:29,195 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:29,197 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-26 09:26:29,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:29,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:29,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2113132074, now seen corresponding path program 1 times [2018-09-26 09:26:29,219 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:26:29,460 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:26:29,460 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 09:26:29,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 09:26:29,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 09:26:29,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-26 09:26:29,481 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 7 states. [2018-09-26 09:26:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:26:30,265 INFO L93 Difference]: Finished difference Result 213 states and 450 transitions. [2018-09-26 09:26:30,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-26 09:26:30,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-09-26 09:26:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:26:30,287 INFO L225 Difference]: With dead ends: 213 [2018-09-26 09:26:30,287 INFO L226 Difference]: Without dead ends: 201 [2018-09-26 09:26:30,291 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-09-26 09:26:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-09-26 09:26:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 95. [2018-09-26 09:26:30,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-09-26 09:26:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 199 transitions. [2018-09-26 09:26:30,357 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 199 transitions. Word has length 7 [2018-09-26 09:26:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:26:30,358 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 199 transitions. [2018-09-26 09:26:30,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 09:26:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2018-09-26 09:26:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 09:26:30,360 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:30,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-26 09:26:30,361 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:30,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:30,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1894705935, now seen corresponding path program 1 times [2018-09-26 09:26:30,362 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:26:30,418 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:26:30,419 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 09:26:30,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 09:26:30,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 09:26:30,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-26 09:26:30,422 INFO L87 Difference]: Start difference. First operand 95 states and 199 transitions. Second operand 7 states. [2018-09-26 09:26:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:26:30,809 INFO L93 Difference]: Finished difference Result 234 states and 505 transitions. [2018-09-26 09:26:30,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-26 09:26:30,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-09-26 09:26:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:26:30,814 INFO L225 Difference]: With dead ends: 234 [2018-09-26 09:26:30,814 INFO L226 Difference]: Without dead ends: 229 [2018-09-26 09:26:30,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-09-26 09:26:30,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-09-26 09:26:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 110. [2018-09-26 09:26:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-09-26 09:26:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 237 transitions. [2018-09-26 09:26:30,849 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 237 transitions. Word has length 7 [2018-09-26 09:26:30,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:26:30,849 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 237 transitions. [2018-09-26 09:26:30,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 09:26:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 237 transitions. [2018-09-26 09:26:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 09:26:30,851 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:30,851 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 09:26:30,852 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:30,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:30,853 INFO L82 PathProgramCache]: Analyzing trace with hash 672968560, now seen corresponding path program 1 times [2018-09-26 09:26:30,853 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:26:30,942 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:26:30,942 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-26 09:26:30,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-26 09:26:30,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-26 09:26:30,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-09-26 09:26:30,944 INFO L87 Difference]: Start difference. First operand 110 states and 237 transitions. Second operand 8 states. [2018-09-26 09:26:31,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:26:31,596 INFO L93 Difference]: Finished difference Result 316 states and 696 transitions. [2018-09-26 09:26:31,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-26 09:26:31,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-09-26 09:26:31,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:26:31,601 INFO L225 Difference]: With dead ends: 316 [2018-09-26 09:26:31,601 INFO L226 Difference]: Without dead ends: 311 [2018-09-26 09:26:31,602 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-09-26 09:26:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-09-26 09:26:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 145. [2018-09-26 09:26:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-09-26 09:26:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 321 transitions. [2018-09-26 09:26:31,651 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 321 transitions. Word has length 9 [2018-09-26 09:26:31,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:26:31,652 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 321 transitions. [2018-09-26 09:26:31,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-26 09:26:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2018-09-26 09:26:31,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 09:26:31,655 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:31,655 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 09:26:31,656 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:31,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2061636985, now seen corresponding path program 1 times [2018-09-26 09:26:31,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:26:31,749 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:26:31,750 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-26 09:26:31,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-26 09:26:31,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-26 09:26:31,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-09-26 09:26:31,751 INFO L87 Difference]: Start difference. First operand 145 states and 321 transitions. Second operand 8 states. [2018-09-26 09:26:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:26:32,362 INFO L93 Difference]: Finished difference Result 366 states and 818 transitions. [2018-09-26 09:26:32,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-26 09:26:32,363 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2018-09-26 09:26:32,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:26:32,366 INFO L225 Difference]: With dead ends: 366 [2018-09-26 09:26:32,366 INFO L226 Difference]: Without dead ends: 361 [2018-09-26 09:26:32,368 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2018-09-26 09:26:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-09-26 09:26:32,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 163. [2018-09-26 09:26:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-09-26 09:26:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 361 transitions. [2018-09-26 09:26:32,445 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 361 transitions. Word has length 9 [2018-09-26 09:26:32,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:26:32,446 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 361 transitions. [2018-09-26 09:26:32,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-26 09:26:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 361 transitions. [2018-09-26 09:26:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 09:26:32,449 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:26:32,451 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-09-26 09:26:32,452 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:26:32,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:26:32,452 INFO L82 PathProgramCache]: Analyzing trace with hash -370364222, now seen corresponding path program 1 times [2018-09-26 09:26:32,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-09-26 09:30:47,910 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:30:47,915 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:30:47,915 INFO L202 PluginConnector]: Adding new model threadpooling_out_Reals.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:30:47 BoogieIcfgContainer [2018-09-26 09:30:47,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:30:47,916 INFO L168 Benchmark]: Toolchain (without parser) took 259362.10 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.8 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 417.9 MB). Peak memory consumption was 169.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:30:47,919 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. [2018-09-26 09:30:47,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.47 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. [2018-09-26 09:30:47,921 INFO L168 Benchmark]: Boogie Preprocessor took 59.58 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. [2018-09-26 09:30:47,921 INFO L168 Benchmark]: RCFGBuilder took 393.60 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:30:47,922 INFO L168 Benchmark]: TraceAbstraction took 258849.81 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.8 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 407.3 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. [2018-09-26 09:30:47,927 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 51.47 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 59.58 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 393.60 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258849.81 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -416.8 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 407.3 MB). Peak memory consumption was 159.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 154). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 222]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 222). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 205]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 205). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 250]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 250). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 284]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 284). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 229]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 229). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 294]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 294). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 332]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 332). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 247]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 247). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 240]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 240). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 264]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 264). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 364]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 364). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - TimeoutResultAtElement [Line: 277]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 277). Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 213 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 14 error locations. TIMEOUT Result, 258.7s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 869 SDtfs, 1594 SDslu, 2219 SDs, 0 SdLazy, 2793 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 786 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=4, 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 589 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s 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/threadpooling_out_Reals.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-30-47-941.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out_Reals.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-30-47-941.csv Completed graceful shutdown