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_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:31:27,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:31:27,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:31:27,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:31:27,044 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:31:27,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:31:27,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:31:27,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:31:27,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:31:27,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:31:27,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:31:27,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:31:27,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:31:27,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:31:27,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:31:27,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:31:27,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:31:27,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:31:27,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:31:27,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:31:27,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:31:27,092 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:31:27,094 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:31:27,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:31:27,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:31:27,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:31:27,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:31:27,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:31:27,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:31:27,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:31:27,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:31:27,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:31:27,102 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 08:31:27,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:31:27,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:31:27,112 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:31:27,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:31:27,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:31:27,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:27,113 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:31:27,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:31:27,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:31:27,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:31:27,180 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:31:27,180 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:31:27,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-09-26 08:31:27,181 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-09-26 08:31:27,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:31:27,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:31:27,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:27,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:31:27,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:31:27,288 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 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,302 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 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,308 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:31:27,308 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:31:27,309 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:31:27,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:27,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:31:27,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:31:27,312 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:31:27,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/1) ... [2018-09-26 08:31:27,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:31:27,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:31:27,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:31:27,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:31:27,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (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 08:31:27,424 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 08:31:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 08:31:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 08:31:28,023 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:31:28,024 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:28 BoogieIcfgContainer [2018-09-26 08:31:28,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:31:28,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:31:28,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:31:28,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:31:28,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:27" (1/2) ... [2018-09-26 08:31:28,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e477c and model type threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:31:28, skipping insertion in model container [2018-09-26 08:31:28,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:28" (2/2) ... [2018-09-26 08:31:28,032 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out2.mover.bpl [2018-09-26 08:31:28,043 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:31:28,052 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-09-26 08:31:28,101 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:31:28,102 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:31:28,102 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:31:28,102 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:31:28,102 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:31:28,103 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:31:28,103 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:31:28,103 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:31:28,103 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:31:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-09-26 08:31:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:28,130 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:28,131 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:28,133 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:28,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:28,139 INFO L82 PathProgramCache]: Analyzing trace with hash 934210, 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 08:31:28,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:28,415 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:28,416 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:31:28,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:31:28,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:31:28,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:31:28,430 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2018-09-26 08:31:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:29,087 INFO L93 Difference]: Finished difference Result 39 states and 86 transitions. [2018-09-26 08:31:29,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:31:29,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-09-26 08:31:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:29,104 INFO L225 Difference]: With dead ends: 39 [2018-09-26 08:31:29,104 INFO L226 Difference]: Without dead ends: 35 [2018-09-26 08:31:29,108 INFO L605 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 [2018-09-26 08:31:29,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-26 08:31:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2018-09-26 08:31:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-09-26 08:31:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 50 transitions. [2018-09-26 08:31:29,151 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 50 transitions. Word has length 4 [2018-09-26 08:31:29,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:29,152 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 50 transitions. [2018-09-26 08:31:29,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:31:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 50 transitions. [2018-09-26 08:31:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:29,153 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:29,154 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:29,154 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:29,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1042904, 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 08:31:29,165 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:29,298 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:29,299 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:31:29,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:31:29,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:31:29,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:31:29,301 INFO L87 Difference]: Start difference. First operand 23 states and 50 transitions. Second operand 5 states. [2018-09-26 08:31:29,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:29,930 INFO L93 Difference]: Finished difference Result 43 states and 99 transitions. [2018-09-26 08:31:29,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:31:29,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-09-26 08:31:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:29,933 INFO L225 Difference]: With dead ends: 43 [2018-09-26 08:31:29,933 INFO L226 Difference]: Without dead ends: 41 [2018-09-26 08:31:29,935 INFO L605 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 [2018-09-26 08:31:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-09-26 08:31:29,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2018-09-26 08:31:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-09-26 08:31:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 57 transitions. [2018-09-26 08:31:29,945 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 57 transitions. Word has length 4 [2018-09-26 08:31:29,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:29,945 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 57 transitions. [2018-09-26 08:31:29,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:31:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 57 transitions. [2018-09-26 08:31:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:31:29,946 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:29,947 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:31:29,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:29,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:29,948 INFO L82 PathProgramCache]: Analyzing trace with hash 28954123, 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 08:31:29,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:30,135 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:30,135 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:31:30,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:30,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:30,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:30,139 INFO L87 Difference]: Start difference. First operand 25 states and 57 transitions. Second operand 6 states. [2018-09-26 08:31:30,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:30,570 INFO L93 Difference]: Finished difference Result 58 states and 139 transitions. [2018-09-26 08:31:30,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:31:30,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:31:30,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:30,575 INFO L225 Difference]: With dead ends: 58 [2018-09-26 08:31:30,575 INFO L226 Difference]: Without dead ends: 56 [2018-09-26 08:31:30,576 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-26 08:31:30,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-09-26 08:31:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 32. [2018-09-26 08:31:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-09-26 08:31:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 77 transitions. [2018-09-26 08:31:30,588 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 77 transitions. Word has length 5 [2018-09-26 08:31:30,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:30,590 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 77 transitions. [2018-09-26 08:31:30,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2018-09-26 08:31:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:31:30,591 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:30,591 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:31:30,591 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:30,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:30,592 INFO L82 PathProgramCache]: Analyzing trace with hash 32258852, 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 08:31:30,606 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:30,781 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:30,782 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:31:30,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:30,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:30,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:30,783 INFO L87 Difference]: Start difference. First operand 32 states and 77 transitions. Second operand 6 states. [2018-09-26 08:31:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:31,501 INFO L93 Difference]: Finished difference Result 67 states and 166 transitions. [2018-09-26 08:31:31,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:31:31,501 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:31:31,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:31,503 INFO L225 Difference]: With dead ends: 67 [2018-09-26 08:31:31,503 INFO L226 Difference]: Without dead ends: 65 [2018-09-26 08:31:31,504 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-26 08:31:31,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-09-26 08:31:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-09-26 08:31:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-26 08:31:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 89 transitions. [2018-09-26 08:31:31,517 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 89 transitions. Word has length 5 [2018-09-26 08:31:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:31,517 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 89 transitions. [2018-09-26 08:31:31,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 89 transitions. [2018-09-26 08:31:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:31,519 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:31,519 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:31,519 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:31,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:31,520 INFO L82 PathProgramCache]: Analyzing trace with hash 897576008, 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 08:31:31,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:31,716 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:31,717 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:31,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:31,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:31,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:31,718 INFO L87 Difference]: Start difference. First operand 37 states and 89 transitions. Second operand 6 states. [2018-09-26 08:31:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:32,638 INFO L93 Difference]: Finished difference Result 138 states and 338 transitions. [2018-09-26 08:31:32,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:32,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-26 08:31:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:32,644 INFO L225 Difference]: With dead ends: 138 [2018-09-26 08:31:32,644 INFO L226 Difference]: Without dead ends: 134 [2018-09-26 08:31:32,645 INFO L605 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 [2018-09-26 08:31:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-09-26 08:31:32,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 49. [2018-09-26 08:31:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-09-26 08:31:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 131 transitions. [2018-09-26 08:31:32,669 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 131 transitions. Word has length 6 [2018-09-26 08:31:32,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:32,669 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 131 transitions. [2018-09-26 08:31:32,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 131 transitions. [2018-09-26 08:31:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:32,670 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:32,670 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:32,671 INFO L423 AbstractCegarLoop]: === Iteration 6 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:32,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:32,671 INFO L82 PathProgramCache]: Analyzing trace with hash 897578922, 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 08:31:32,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:32,810 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:32,810 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:32,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:32,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:32,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:32,811 INFO L87 Difference]: Start difference. First operand 49 states and 131 transitions. Second operand 6 states. [2018-09-26 08:31:33,456 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-26 08:31:34,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:34,245 INFO L93 Difference]: Finished difference Result 135 states and 334 transitions. [2018-09-26 08:31:34,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:34,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-26 08:31:34,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:34,248 INFO L225 Difference]: With dead ends: 135 [2018-09-26 08:31:34,248 INFO L226 Difference]: Without dead ends: 131 [2018-09-26 08:31:34,249 INFO L605 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 [2018-09-26 08:31:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-09-26 08:31:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 51. [2018-09-26 08:31:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-26 08:31:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 138 transitions. [2018-09-26 08:31:34,275 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 138 transitions. Word has length 6 [2018-09-26 08:31:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:34,275 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 138 transitions. [2018-09-26 08:31:34,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 138 transitions. [2018-09-26 08:31:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:34,277 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:34,277 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:31:34,277 INFO L423 AbstractCegarLoop]: === Iteration 7 === [productErr2ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:34,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:34,278 INFO L82 PathProgramCache]: Analyzing trace with hash 897780733, 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 08:31:34,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:42,139 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-09-26 08:31:53,967 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2018-09-26 08:32:02,765 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-09-26 08:32:14,610 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2018-09-26 08:32:30,415 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2018-09-26 08:32:51,744 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2018-09-26 08:33:19,002 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-09-26 08:33:53,752 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2018-09-26 08:34:14,409 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-09-26 08:34:37,716 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2018-09-26 08:35:03,667 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-09-26 08:35:33,203 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 Received shutdown request... [2018-09-26 08:35:59,795 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:35:59,796 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:35:59,801 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:35:59,801 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:35:59 BoogieIcfgContainer [2018-09-26 08:35:59,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:35:59,802 INFO L168 Benchmark]: Toolchain (without parser) took 272544.35 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -232.8 MB). Free memory was 1.5 GB in the beginning and 940.8 MB in the end (delta: 544.4 MB). Peak memory consumption was 311.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:35:59,804 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 08:35:59,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.91 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 08:35:59,805 INFO L168 Benchmark]: Boogie Preprocessor took 29.63 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 08:35:59,806 INFO L168 Benchmark]: RCFGBuilder took 682.32 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. [2018-09-26 08:35:59,806 INFO L168 Benchmark]: TraceAbstraction took 271776.71 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -232.8 MB). Free memory was 1.5 GB in the beginning and 940.8 MB in the end (delta: 523.2 MB). Peak memory consumption was 290.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:35:59,810 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.91 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 29.63 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 682.32 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 271776.71 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -232.8 MB). Free memory was 1.5 GB in the beginning and 940.8 MB in the end (delta: 523.2 MB). Peak memory consumption was 290.4 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: 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: 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: 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: 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: 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, 271.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 293 SDtfs, 268 SDslu, 277 SDs, 0 SdLazy, 1387 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.0s 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: 0.8s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-35-59-829.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-35-59-829.csv Completed graceful shutdown