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-z3.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:35:27,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:35:27,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:35:27,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:35:27,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:35:27,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:35:27,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:35:27,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:35:27,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:35:27,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:35:27,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:35:27,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:35:27,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:35:27,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:35:27,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:35:27,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:35:27,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:35:27,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:35:27,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:35:27,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:35:27,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:35:27,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:35:27,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:35:27,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:35:27,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:35:27,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:35:27,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:35:27,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:35:27,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:35:27,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:35:27,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:35:27,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:35:27,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:35:27,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:35:27,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:35:27,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:35:27,068 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:35:27,084 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:35:27,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:35:27,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:35:27,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:35:27,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:35:27,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:35:27,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:35:27,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:35:27,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:35:27,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:35:27,176 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:35:27,177 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:35:27,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-09-26 08:35:27,178 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-09-26 08:35:27,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:35:27,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:35:27,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:35:27,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:35:27,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:35:27,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,292 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:35:27,292 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:35:27,292 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:35:27,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:35:27,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:35:27,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:35:27,296 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:35:27,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/1) ... [2018-09-26 08:35:27,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:35:27,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:35:27,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:35:27,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:35:27,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (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 [2018-09-26 08:35:27,391 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 08:35:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 08:35:27,392 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 08:35:27,834 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:35:27,835 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:35:27 BoogieIcfgContainer [2018-09-26 08:35:27,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:35:27,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:35:27,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:35:27,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:35:27,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:27" (1/2) ... [2018-09-26 08:35:27,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450d1830 and model type threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:35:27, skipping insertion in model container [2018-09-26 08:35:27,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:35:27" (2/2) ... [2018-09-26 08:35:27,843 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_product.bpl [2018-09-26 08:35:27,853 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:35:27,861 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-09-26 08:35:27,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:35:27,910 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:35:27,910 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:35:27,910 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:35:27,910 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:35:27,911 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:35:27,911 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:35:27,911 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:35:27,911 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:35:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-09-26 08:35:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:35:27,936 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:27,937 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:35:27,938 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:27,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:27,944 INFO L82 PathProgramCache]: Analyzing trace with hash 28755683, 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 [2018-09-26 08:35:27,974 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:28,276 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:28,276 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:35:28,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:35:28,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:35:28,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:35:28,289 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 6 states. [2018-09-26 08:35:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:28,889 INFO L93 Difference]: Finished difference Result 44 states and 75 transitions. [2018-09-26 08:35:28,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-26 08:35:28,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:35:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:28,906 INFO L225 Difference]: With dead ends: 44 [2018-09-26 08:35:28,906 INFO L226 Difference]: Without dead ends: 42 [2018-09-26 08:35:28,910 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:35:28,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-09-26 08:35:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2018-09-26 08:35:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-09-26 08:35:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 45 transitions. [2018-09-26 08:35:28,951 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 45 transitions. Word has length 5 [2018-09-26 08:35:28,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:28,952 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 45 transitions. [2018-09-26 08:35:28,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:35:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2018-09-26 08:35:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:35:28,955 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:28,956 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:35:28,956 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:28,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:28,957 INFO L82 PathProgramCache]: Analyzing trace with hash 28971747, 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 [2018-09-26 08:35:28,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:29,188 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:29,188 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:35:29,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:35:29,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:35:29,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:35:29,191 INFO L87 Difference]: Start difference. First operand 28 states and 45 transitions. Second operand 6 states. [2018-09-26 08:35:29,709 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-26 08:35:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:29,848 INFO L93 Difference]: Finished difference Result 51 states and 87 transitions. [2018-09-26 08:35:29,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-26 08:35:29,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:35:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:29,851 INFO L225 Difference]: With dead ends: 51 [2018-09-26 08:35:29,851 INFO L226 Difference]: Without dead ends: 49 [2018-09-26 08:35:29,853 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:35:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-09-26 08:35:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 34. [2018-09-26 08:35:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-26 08:35:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 55 transitions. [2018-09-26 08:35:29,863 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 55 transitions. Word has length 5 [2018-09-26 08:35:29,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:29,864 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 55 transitions. [2018-09-26 08:35:29,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:35:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-09-26 08:35:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:35:29,865 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:29,866 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:35:29,866 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:29,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:29,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1864688358, 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 [2018-09-26 08:35:29,882 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:30,127 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:30,128 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-26 08:35:30,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-26 08:35:30,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-26 08:35:30,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-09-26 08:35:30,129 INFO L87 Difference]: Start difference. First operand 34 states and 55 transitions. Second operand 8 states. [2018-09-26 08:35:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:31,301 INFO L93 Difference]: Finished difference Result 82 states and 142 transitions. [2018-09-26 08:35:31,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-26 08:35:31,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-09-26 08:35:31,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:31,304 INFO L225 Difference]: With dead ends: 82 [2018-09-26 08:35:31,304 INFO L226 Difference]: Without dead ends: 80 [2018-09-26 08:35:31,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2018-09-26 08:35:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-26 08:35:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 44. [2018-09-26 08:35:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-26 08:35:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 74 transitions. [2018-09-26 08:35:31,318 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 74 transitions. Word has length 7 [2018-09-26 08:35:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:31,319 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 74 transitions. [2018-09-26 08:35:31,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-26 08:35:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-09-26 08:35:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:35:31,320 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:31,320 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-09-26 08:35:31,320 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:31,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:31,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1865765160, 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 [2018-09-26 08:35:31,341 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:31,556 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:31,557 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:35:31,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:35:31,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:35:31,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-09-26 08:35:31,558 INFO L87 Difference]: Start difference. First operand 44 states and 74 transitions. Second operand 6 states. [2018-09-26 08:35:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:31,852 INFO L93 Difference]: Finished difference Result 70 states and 121 transitions. [2018-09-26 08:35:31,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:35:31,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2018-09-26 08:35:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:31,854 INFO L225 Difference]: With dead ends: 70 [2018-09-26 08:35:31,854 INFO L226 Difference]: Without dead ends: 68 [2018-09-26 08:35:31,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-09-26 08:35:31,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-09-26 08:35:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 47. [2018-09-26 08:35:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-26 08:35:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 80 transitions. [2018-09-26 08:35:31,869 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 80 transitions. Word has length 7 [2018-09-26 08:35:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:31,869 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 80 transitions. [2018-09-26 08:35:31,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:35:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-09-26 08:35:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:35:31,870 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:31,871 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:35:31,871 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:31,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:31,871 INFO L82 PathProgramCache]: Analyzing trace with hash 2072633864, 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 [2018-09-26 08:35:31,890 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:32,070 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:32,070 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:35:32,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:35:32,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:35:32,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:35:32,072 INFO L87 Difference]: Start difference. First operand 47 states and 80 transitions. Second operand 7 states. [2018-09-26 08:35:32,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:32,795 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2018-09-26 08:35:32,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-26 08:35:32,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-09-26 08:35:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:32,799 INFO L225 Difference]: With dead ends: 108 [2018-09-26 08:35:32,799 INFO L226 Difference]: Without dead ends: 106 [2018-09-26 08:35:32,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2018-09-26 08:35:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-09-26 08:35:32,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 55. [2018-09-26 08:35:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-09-26 08:35:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 95 transitions. [2018-09-26 08:35:32,820 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 95 transitions. Word has length 7 [2018-09-26 08:35:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:32,821 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 95 transitions. [2018-09-26 08:35:32,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:35:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-09-26 08:35:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:35:32,822 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:32,822 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-09-26 08:35:32,822 INFO L423 AbstractCegarLoop]: === Iteration 6 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:32,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:32,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2071833542, 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 [2018-09-26 08:35:32,838 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:33,033 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:33,033 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-26 08:35:33,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-26 08:35:33,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-26 08:35:33,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-09-26 08:35:33,034 INFO L87 Difference]: Start difference. First operand 55 states and 95 transitions. Second operand 8 states. [2018-09-26 08:35:33,627 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-26 08:35:34,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:34,412 INFO L93 Difference]: Finished difference Result 116 states and 205 transitions. [2018-09-26 08:35:34,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-26 08:35:34,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2018-09-26 08:35:34,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:34,420 INFO L225 Difference]: With dead ends: 116 [2018-09-26 08:35:34,420 INFO L226 Difference]: Without dead ends: 114 [2018-09-26 08:35:34,421 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2018-09-26 08:35:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-26 08:35:34,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 56. [2018-09-26 08:35:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-09-26 08:35:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 97 transitions. [2018-09-26 08:35:34,450 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 97 transitions. Word has length 7 [2018-09-26 08:35:34,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:34,451 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 97 transitions. [2018-09-26 08:35:34,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-26 08:35:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2018-09-26 08:35:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:35:34,452 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:34,452 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:35:34,452 INFO L423 AbstractCegarLoop]: === Iteration 7 === [productErr3ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:34,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:34,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1962114806, 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 [2018-09-26 08:35:34,484 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:40,220 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-09-26 08:36:16,244 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2018-09-26 08:36:37,166 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2018-09-26 08:37:06,250 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2018-09-26 08:37:45,205 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2018-09-26 08:38:37,377 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2018-09-26 08:39:45,361 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 Received shutdown request... [2018-09-26 08:39:57,666 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:39:57,667 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:39:57,672 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:39:57,673 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:39:57 BoogieIcfgContainer [2018-09-26 08:39:57,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:39:57,674 INFO L168 Benchmark]: Toolchain (without parser) took 270428.60 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -233.3 MB). Free memory was 1.5 GB in the beginning and 906.2 MB in the end (delta: 558.5 MB). Peak memory consumption was 325.2 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:57,675 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 08:39:57,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.93 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 08:39:57,676 INFO L168 Benchmark]: Boogie Preprocessor took 24.07 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 08:39:57,676 INFO L168 Benchmark]: RCFGBuilder took 515.27 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:57,677 INFO L168 Benchmark]: TraceAbstraction took 269837.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -233.3 MB). Free memory was 1.4 GB in the beginning and 906.2 MB in the end (delta: 537.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:57,681 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 0.18 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 44.93 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 24.07 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 515.27 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269837.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -233.3 MB). Free memory was 1.4 GB in the beginning and 906.2 MB in the end (delta: 537.4 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 94). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 142 known predicates. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 45). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 142 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 74). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 142 known predicates. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 85). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 142 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 4 error locations. TIMEOUT Result, 269.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 264 SDtfs, 289 SDslu, 389 SDs, 0 SdLazy, 1022 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 195 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.1s 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_product.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-39-57-693.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-39-57-693.csv Completed graceful shutdown