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.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:01:08,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:01:08,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:01:08,191 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:01:08,191 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:01:08,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:01:08,194 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:01:08,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:01:08,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:01:08,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:01:08,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:01:08,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:01:08,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:01:08,202 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:01:08,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:01:08,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:01:08,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:01:08,206 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:01:08,208 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:01:08,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:01:08,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:01:08,213 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:01:08,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:01:08,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:01:08,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:01:08,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:01:08,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:01:08,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:01:08,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:01:08,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:01:08,230 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:01:08,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:01:08,231 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:01:08,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:01:08,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:01:08,235 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:01:08,236 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:01:08,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:01:08,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:01:08,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:01:08,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:01:08,257 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:01:08,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:01:08,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:01:08,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:01:08,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:01:08,342 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:01:08,343 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:01:08,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-07-25 09:01:08,344 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-07-25 09:01:08,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:01:08,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:01:08,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:08,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:01:08,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:01:08,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,450 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:01:08,450 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:01:08,450 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:01:08,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:08,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:01:08,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:01:08,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:01:08,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/1) ... [2018-07-25 09:01:08,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:01:08,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:01:08,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:01:08,490 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:01:08,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (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 09:01:08,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 09:01:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 09:01:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 09:01:09,191 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:01:09,191 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:09 BoogieIcfgContainer [2018-07-25 09:01:09,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:01:09,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:01:09,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:01:09,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:01:09,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:08" (1/2) ... [2018-07-25 09:01:09,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b6284b and model type threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:01:09, skipping insertion in model container [2018-07-25 09:01:09,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:09" (2/2) ... [2018-07-25 09:01:09,200 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out2.mover.bpl [2018-07-25 09:01:09,208 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:01:09,216 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-07-25 09:01:09,256 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:01:09,257 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:01:09,257 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:01:09,257 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:01:09,257 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:01:09,257 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:01:09,258 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:01:09,258 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:01:09,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:01:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-07-25 09:01:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:01:09,281 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:09,282 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:01:09,284 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:09,289 INFO L82 PathProgramCache]: Analyzing trace with hash 934210, now seen corresponding path program 1 times [2018-07-25 09:01:09,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:09,474 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:09,475 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:09,479 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:01:09,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:01:09,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:01:09,488 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2018-07-25 09:01:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:10,161 INFO L93 Difference]: Finished difference Result 39 states and 86 transitions. [2018-07-25 09:01:10,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:01:10,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:01:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:10,177 INFO L225 Difference]: With dead ends: 39 [2018-07-25 09:01:10,178 INFO L226 Difference]: Without dead ends: 35 [2018-07-25 09:01:10,181 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 09:01:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-25 09:01:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2018-07-25 09:01:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-25 09:01:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 50 transitions. [2018-07-25 09:01:10,225 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 50 transitions. Word has length 4 [2018-07-25 09:01:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:10,225 INFO L472 AbstractCegarLoop]: Abstraction has 23 states and 50 transitions. [2018-07-25 09:01:10,226 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:01:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 50 transitions. [2018-07-25 09:01:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:01:10,227 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:10,227 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:01:10,228 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1042904, now seen corresponding path program 1 times [2018-07-25 09:01:10,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:10,339 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:10,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:10,340 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:01:10,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:01:10,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:01:10,341 INFO L87 Difference]: Start difference. First operand 23 states and 50 transitions. Second operand 5 states. [2018-07-25 09:01:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:10,982 INFO L93 Difference]: Finished difference Result 43 states and 99 transitions. [2018-07-25 09:01:10,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:01:10,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:01:10,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:10,985 INFO L225 Difference]: With dead ends: 43 [2018-07-25 09:01:10,985 INFO L226 Difference]: Without dead ends: 41 [2018-07-25 09:01:10,987 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 09:01:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-25 09:01:10,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2018-07-25 09:01:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-25 09:01:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 57 transitions. [2018-07-25 09:01:11,001 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 57 transitions. Word has length 4 [2018-07-25 09:01:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:11,001 INFO L472 AbstractCegarLoop]: Abstraction has 25 states and 57 transitions. [2018-07-25 09:01:11,001 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:01:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 57 transitions. [2018-07-25 09:01:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:01:11,002 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:11,002 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:01:11,003 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:11,003 INFO L82 PathProgramCache]: Analyzing trace with hash 28954123, now seen corresponding path program 1 times [2018-07-25 09:01:11,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:11,160 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:11,160 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:01:11,161 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:11,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:11,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:11,162 INFO L87 Difference]: Start difference. First operand 25 states and 57 transitions. Second operand 6 states. [2018-07-25 09:01:11,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:11,694 INFO L93 Difference]: Finished difference Result 58 states and 139 transitions. [2018-07-25 09:01:11,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 09:01:11,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:01:11,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:11,698 INFO L225 Difference]: With dead ends: 58 [2018-07-25 09:01:11,700 INFO L226 Difference]: Without dead ends: 56 [2018-07-25 09:01:11,700 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:01:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-25 09:01:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 32. [2018-07-25 09:01:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-25 09:01:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 77 transitions. [2018-07-25 09:01:11,726 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 77 transitions. Word has length 5 [2018-07-25 09:01:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:11,727 INFO L472 AbstractCegarLoop]: Abstraction has 32 states and 77 transitions. [2018-07-25 09:01:11,728 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2018-07-25 09:01:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:01:11,730 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:11,730 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:01:11,731 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:11,731 INFO L82 PathProgramCache]: Analyzing trace with hash 32258852, now seen corresponding path program 1 times [2018-07-25 09:01:11,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:12,046 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:12,047 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:01:12,047 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:12,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:12,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:12,048 INFO L87 Difference]: Start difference. First operand 32 states and 77 transitions. Second operand 6 states. [2018-07-25 09:01:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:12,521 INFO L93 Difference]: Finished difference Result 67 states and 166 transitions. [2018-07-25 09:01:12,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 09:01:12,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:01:12,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:12,524 INFO L225 Difference]: With dead ends: 67 [2018-07-25 09:01:12,525 INFO L226 Difference]: Without dead ends: 65 [2018-07-25 09:01:12,525 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:01:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-25 09:01:12,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-07-25 09:01:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-25 09:01:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 89 transitions. [2018-07-25 09:01:12,538 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 89 transitions. Word has length 5 [2018-07-25 09:01:12,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:12,539 INFO L472 AbstractCegarLoop]: Abstraction has 37 states and 89 transitions. [2018-07-25 09:01:12,539 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 89 transitions. [2018-07-25 09:01:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:12,540 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:12,540 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:12,541 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:12,541 INFO L82 PathProgramCache]: Analyzing trace with hash 897576008, now seen corresponding path program 1 times [2018-07-25 09:01:12,541 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:12,679 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:12,679 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:12,680 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:12,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:12,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:12,681 INFO L87 Difference]: Start difference. First operand 37 states and 89 transitions. Second operand 6 states. [2018-07-25 09:01:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:13,629 INFO L93 Difference]: Finished difference Result 138 states and 338 transitions. [2018-07-25 09:01:13,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:13,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-25 09:01:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:13,634 INFO L225 Difference]: With dead ends: 138 [2018-07-25 09:01:13,634 INFO L226 Difference]: Without dead ends: 134 [2018-07-25 09:01:13,635 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-07-25 09:01:13,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-25 09:01:13,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 49. [2018-07-25 09:01:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-25 09:01:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 131 transitions. [2018-07-25 09:01:13,657 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 131 transitions. Word has length 6 [2018-07-25 09:01:13,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:13,657 INFO L472 AbstractCegarLoop]: Abstraction has 49 states and 131 transitions. [2018-07-25 09:01:13,657 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 131 transitions. [2018-07-25 09:01:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:13,659 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:13,659 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:13,659 INFO L415 AbstractCegarLoop]: === Iteration 6 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:13,660 INFO L82 PathProgramCache]: Analyzing trace with hash 897578922, now seen corresponding path program 1 times [2018-07-25 09:01:13,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:13,768 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:13,768 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:13,768 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:13,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:13,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:13,769 INFO L87 Difference]: Start difference. First operand 49 states and 131 transitions. Second operand 6 states. [2018-07-25 09:01:14,453 WARN L169 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 09:01:15,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:15,159 INFO L93 Difference]: Finished difference Result 135 states and 334 transitions. [2018-07-25 09:01:15,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:15,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-25 09:01:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:15,167 INFO L225 Difference]: With dead ends: 135 [2018-07-25 09:01:15,167 INFO L226 Difference]: Without dead ends: 131 [2018-07-25 09:01:15,168 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-07-25 09:01:15,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-25 09:01:15,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 51. [2018-07-25 09:01:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-25 09:01:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 138 transitions. [2018-07-25 09:01:15,188 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 138 transitions. Word has length 6 [2018-07-25 09:01:15,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:15,188 INFO L472 AbstractCegarLoop]: Abstraction has 51 states and 138 transitions. [2018-07-25 09:01:15,188 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 138 transitions. [2018-07-25 09:01:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:15,189 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:15,190 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:01:15,190 INFO L415 AbstractCegarLoop]: === Iteration 7 === [productErr2ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:15,190 INFO L82 PathProgramCache]: Analyzing trace with hash 897780733, now seen corresponding path program 1 times [2018-07-25 09:01:15,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:23,035 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-07-25 09:01:28,669 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-07-25 09:01:34,616 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2018-07-25 09:01:43,129 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-07-25 09:01:54,965 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2018-07-25 09:02:10,882 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2018-07-25 09:02:32,645 WARN L169 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2018-07-25 09:03:00,368 WARN L169 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-07-25 09:03:35,567 WARN L169 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2018-07-25 09:03:56,407 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-07-25 09:04:19,915 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2018-07-25 09:04:46,075 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-07-25 09:05:15,824 WARN L169 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 Received shutdown request... [2018-07-25 09:05:41,739 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:05:41,744 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:05:41,745 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:05:41 BoogieIcfgContainer [2018-07-25 09:05:41,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:05:41,746 INFO L168 Benchmark]: Toolchain (without parser) took 273336.28 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 435.9 MB). Peak memory consumption was 201.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:41,747 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 09:05:41,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.70 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 09:05:41,748 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 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 09:05:41,749 INFO L168 Benchmark]: RCFGBuilder took 710.78 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:41,750 INFO L168 Benchmark]: TraceAbstraction took 272552.34 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 414.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:41,754 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 40.70 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 27.23 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 710.78 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272552.34 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 414.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 171]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 171). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 181). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 176]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 176). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 186). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 6 error locations. TIMEOUT Result, 272.4s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 293 SDtfs, 268 SDslu, 277 SDs, 0 SdLazy, 1387 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=6, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.9s 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_out2.mover.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-05-41-767.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-05-41-767.csv Completed graceful shutdown