java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:40:14,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:40:14,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:40:14,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:40:14,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:40:14,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:40:14,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:40:14,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:40:14,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:40:14,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:40:14,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:40:14,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:40:14,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:40:14,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:40:14,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:40:14,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:40:14,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:40:14,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:40:14,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:40:14,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:40:14,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:40:14,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:40:14,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:40:14,327 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:40:14,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:40:14,329 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:40:14,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:40:14,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:40:14,332 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:40:14,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:40:14,333 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:40:14,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:40:14,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:40:14,334 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:40:14,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:40:14,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:40:14,337 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:40:14,345 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:40:14,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:40:14,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:40:14,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:40:14,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:40:14,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:14,347 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:40:14,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:40:14,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:40:14,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:40:14,414 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:40:14,414 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:40:14,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2018-07-25 13:40:14,416 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2018-07-25 13:40:14,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:40:14,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:40:14,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:14,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:40:14,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:40:14,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,567 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:40:14,568 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:40:14,568 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:40:14,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:14,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:40:14,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:40:14,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:40:14,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... [2018-07-25 13:40:14,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:40:14,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:40:14,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:40:14,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:40:14,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 13:40:14,690 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 13:40:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 13:40:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 13:40:16,020 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:16,021 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:16 BoogieIcfgContainer [2018-07-25 13:40:16,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:16,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:16,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:16,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:16,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:14" (1/2) ... [2018-07-25 13:40:16,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6855681f and model type threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:16, skipping insertion in model container [2018-07-25 13:40:16,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:16" (2/2) ... [2018-07-25 13:40:16,029 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3.mover.bpl [2018-07-25 13:40:16,039 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:16,048 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-07-25 13:40:16,094 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:16,095 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:16,095 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:16,095 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:16,095 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:16,095 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:16,095 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:16,096 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:40:16,096 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:40:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-07-25 13:40:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:16,122 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:16,123 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:16,125 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:16,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1483933, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:16,154 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:16,356 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:16,356 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:16,360 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:16,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:16,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:40:16,368 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 5 states. [2018-07-25 13:40:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:18,034 INFO L93 Difference]: Finished difference Result 113 states and 305 transitions. [2018-07-25 13:40:18,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:40:18,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 13:40:18,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:18,057 INFO L225 Difference]: With dead ends: 113 [2018-07-25 13:40:18,057 INFO L226 Difference]: Without dead ends: 109 [2018-07-25 13:40:18,061 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:18,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-25 13:40:18,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2018-07-25 13:40:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-25 13:40:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 175 transitions. [2018-07-25 13:40:18,115 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 175 transitions. Word has length 4 [2018-07-25 13:40:18,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:18,119 INFO L472 AbstractCegarLoop]: Abstraction has 64 states and 175 transitions. [2018-07-25 13:40:18,119 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 175 transitions. [2018-07-25 13:40:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:18,120 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:18,120 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:18,122 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:18,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1486926, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:18,138 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:18,297 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-25 13:40:18,480 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:18,481 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:18,482 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:18,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:18,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:40:18,483 INFO L87 Difference]: Start difference. First operand 64 states and 175 transitions. Second operand 5 states. [2018-07-25 13:40:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:19,572 INFO L93 Difference]: Finished difference Result 125 states and 357 transitions. [2018-07-25 13:40:19,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:40:19,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 13:40:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:19,578 INFO L225 Difference]: With dead ends: 125 [2018-07-25 13:40:19,579 INFO L226 Difference]: Without dead ends: 121 [2018-07-25 13:40:19,580 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:19,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-25 13:40:19,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2018-07-25 13:40:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-25 13:40:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 211 transitions. [2018-07-25 13:40:19,600 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 211 transitions. Word has length 4 [2018-07-25 13:40:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:19,600 INFO L472 AbstractCegarLoop]: Abstraction has 72 states and 211 transitions. [2018-07-25 13:40:19,600 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 211 transitions. [2018-07-25 13:40:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:19,601 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:19,601 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:19,602 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:19,603 INFO L82 PathProgramCache]: Analyzing trace with hash 951145, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:19,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:19,726 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:19,726 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:19,726 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:19,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:19,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:40:19,727 INFO L87 Difference]: Start difference. First operand 72 states and 211 transitions. Second operand 5 states. [2018-07-25 13:40:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:20,554 INFO L93 Difference]: Finished difference Result 137 states and 409 transitions. [2018-07-25 13:40:20,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:40:20,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 13:40:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:20,557 INFO L225 Difference]: With dead ends: 137 [2018-07-25 13:40:20,557 INFO L226 Difference]: Without dead ends: 133 [2018-07-25 13:40:20,558 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-25 13:40:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-07-25 13:40:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-25 13:40:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 247 transitions. [2018-07-25 13:40:20,577 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 247 transitions. Word has length 4 [2018-07-25 13:40:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:20,577 INFO L472 AbstractCegarLoop]: Abstraction has 80 states and 247 transitions. [2018-07-25 13:40:20,577 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 247 transitions. [2018-07-25 13:40:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:20,579 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:20,579 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 13:40:20,580 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash 45957534, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:20,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:20,744 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:20,744 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:40:20,745 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:20,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:20,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:20,746 INFO L87 Difference]: Start difference. First operand 80 states and 247 transitions. Second operand 6 states. [2018-07-25 13:40:22,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:22,383 INFO L93 Difference]: Finished difference Result 163 states and 519 transitions. [2018-07-25 13:40:22,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 13:40:22,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 13:40:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:22,386 INFO L225 Difference]: With dead ends: 163 [2018-07-25 13:40:22,386 INFO L226 Difference]: Without dead ends: 159 [2018-07-25 13:40:22,387 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 13:40:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-25 13:40:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 91. [2018-07-25 13:40:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-25 13:40:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 295 transitions. [2018-07-25 13:40:22,407 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 295 transitions. Word has length 5 [2018-07-25 13:40:22,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:22,407 INFO L472 AbstractCegarLoop]: Abstraction has 91 states and 295 transitions. [2018-07-25 13:40:22,407 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2018-07-25 13:40:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:22,409 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:22,409 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 13:40:22,410 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:22,410 INFO L82 PathProgramCache]: Analyzing trace with hash 45517626, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:22,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:22,697 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-25 13:40:22,889 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-07-25 13:40:23,560 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:23,560 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:40:23,560 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:23,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:23,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:23,561 INFO L87 Difference]: Start difference. First operand 91 states and 295 transitions. Second operand 6 states. [2018-07-25 13:40:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:25,301 INFO L93 Difference]: Finished difference Result 172 states and 560 transitions. [2018-07-25 13:40:25,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 13:40:25,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 13:40:25,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:25,305 INFO L225 Difference]: With dead ends: 172 [2018-07-25 13:40:25,305 INFO L226 Difference]: Without dead ends: 168 [2018-07-25 13:40:25,306 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 13:40:25,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-25 13:40:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 98. [2018-07-25 13:40:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-25 13:40:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 323 transitions. [2018-07-25 13:40:25,326 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 323 transitions. Word has length 5 [2018-07-25 13:40:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:25,326 INFO L472 AbstractCegarLoop]: Abstraction has 98 states and 323 transitions. [2018-07-25 13:40:25,327 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 323 transitions. [2018-07-25 13:40:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:25,329 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:25,329 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 13:40:25,331 INFO L415 AbstractCegarLoop]: === Iteration 6 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:25,331 INFO L82 PathProgramCache]: Analyzing trace with hash 45763099, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:25,347 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:25,552 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:25,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:40:25,552 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:25,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:25,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:25,553 INFO L87 Difference]: Start difference. First operand 98 states and 323 transitions. Second operand 6 states. [2018-07-25 13:40:26,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:26,674 INFO L93 Difference]: Finished difference Result 178 states and 585 transitions. [2018-07-25 13:40:26,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 13:40:26,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 13:40:26,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:26,677 INFO L225 Difference]: With dead ends: 178 [2018-07-25 13:40:26,677 INFO L226 Difference]: Without dead ends: 174 [2018-07-25 13:40:26,678 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 13:40:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-25 13:40:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 102. [2018-07-25 13:40:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-25 13:40:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 337 transitions. [2018-07-25 13:40:26,700 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 337 transitions. Word has length 5 [2018-07-25 13:40:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:26,700 INFO L472 AbstractCegarLoop]: Abstraction has 102 states and 337 transitions. [2018-07-25 13:40:26,700 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 337 transitions. [2018-07-25 13:40:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:26,701 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:26,702 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:26,702 INFO L415 AbstractCegarLoop]: === Iteration 7 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:26,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687860, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:26,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:26,871 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:26,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:26,872 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:26,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:26,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:26,873 INFO L87 Difference]: Start difference. First operand 102 states and 337 transitions. Second operand 7 states. [2018-07-25 13:40:29,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:29,646 INFO L93 Difference]: Finished difference Result 319 states and 1010 transitions. [2018-07-25 13:40:29,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:29,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:29,650 INFO L225 Difference]: With dead ends: 319 [2018-07-25 13:40:29,651 INFO L226 Difference]: Without dead ends: 313 [2018-07-25 13:40:29,651 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-25 13:40:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 108. [2018-07-25 13:40:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 13:40:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 366 transitions. [2018-07-25 13:40:29,697 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 366 transitions. Word has length 6 [2018-07-25 13:40:29,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:29,697 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 366 transitions. [2018-07-25 13:40:29,698 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 366 transitions. [2018-07-25 13:40:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:29,699 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:29,699 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:29,699 INFO L415 AbstractCegarLoop]: === Iteration 8 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:29,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687863, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:29,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:29,937 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:29,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:29,939 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:29,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:29,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:29,941 INFO L87 Difference]: Start difference. First operand 108 states and 366 transitions. Second operand 7 states. [2018-07-25 13:40:32,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:32,234 INFO L93 Difference]: Finished difference Result 307 states and 987 transitions. [2018-07-25 13:40:32,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:32,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:32,238 INFO L225 Difference]: With dead ends: 307 [2018-07-25 13:40:32,238 INFO L226 Difference]: Without dead ends: 301 [2018-07-25 13:40:32,239 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-25 13:40:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 108. [2018-07-25 13:40:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 13:40:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 364 transitions. [2018-07-25 13:40:32,270 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 364 transitions. Word has length 6 [2018-07-25 13:40:32,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:32,271 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 364 transitions. [2018-07-25 13:40:32,271 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 364 transitions. [2018-07-25 13:40:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:32,272 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:32,272 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:32,273 INFO L415 AbstractCegarLoop]: === Iteration 9 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:32,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690216, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:32,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:32,445 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:32,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:32,446 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:32,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:32,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:32,446 INFO L87 Difference]: Start difference. First operand 108 states and 364 transitions. Second operand 7 states. [2018-07-25 13:40:34,918 WARN L169 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-07-25 13:40:35,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:35,807 INFO L93 Difference]: Finished difference Result 322 states and 1043 transitions. [2018-07-25 13:40:35,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:35,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:35,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:35,812 INFO L225 Difference]: With dead ends: 322 [2018-07-25 13:40:35,812 INFO L226 Difference]: Without dead ends: 316 [2018-07-25 13:40:35,813 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-07-25 13:40:35,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 112. [2018-07-25 13:40:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-25 13:40:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 382 transitions. [2018-07-25 13:40:35,842 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 382 transitions. Word has length 6 [2018-07-25 13:40:35,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:35,843 INFO L472 AbstractCegarLoop]: Abstraction has 112 states and 382 transitions. [2018-07-25 13:40:35,843 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 382 transitions. [2018-07-25 13:40:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:35,844 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:35,844 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:35,844 INFO L415 AbstractCegarLoop]: === Iteration 10 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:35,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690219, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:35,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:36,041 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:36,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:36,042 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:36,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:36,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:36,042 INFO L87 Difference]: Start difference. First operand 112 states and 382 transitions. Second operand 7 states. [2018-07-25 13:40:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:37,838 INFO L93 Difference]: Finished difference Result 312 states and 1009 transitions. [2018-07-25 13:40:37,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:37,839 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:37,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:37,843 INFO L225 Difference]: With dead ends: 312 [2018-07-25 13:40:37,843 INFO L226 Difference]: Without dead ends: 306 [2018-07-25 13:40:37,844 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-07-25 13:40:37,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 110. [2018-07-25 13:40:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 13:40:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 373 transitions. [2018-07-25 13:40:37,877 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 373 transitions. Word has length 6 [2018-07-25 13:40:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:37,877 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 373 transitions. [2018-07-25 13:40:37,877 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 373 transitions. [2018-07-25 13:40:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:37,878 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:37,878 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:37,879 INFO L415 AbstractCegarLoop]: === Iteration 11 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:37,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1424276838, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:37,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:38,053 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:38,053 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:38,053 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:38,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:38,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:38,054 INFO L87 Difference]: Start difference. First operand 110 states and 373 transitions. Second operand 7 states. [2018-07-25 13:40:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:39,356 INFO L93 Difference]: Finished difference Result 221 states and 759 transitions. [2018-07-25 13:40:39,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-25 13:40:39,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:39,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:39,359 INFO L225 Difference]: With dead ends: 221 [2018-07-25 13:40:39,360 INFO L226 Difference]: Without dead ends: 217 [2018-07-25 13:40:39,361 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:39,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-25 13:40:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2018-07-25 13:40:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-25 13:40:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 467 transitions. [2018-07-25 13:40:39,411 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 467 transitions. Word has length 6 [2018-07-25 13:40:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:39,412 INFO L472 AbstractCegarLoop]: Abstraction has 131 states and 467 transitions. [2018-07-25 13:40:39,412 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 467 transitions. [2018-07-25 13:40:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:39,413 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:39,413 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:39,413 INFO L415 AbstractCegarLoop]: === Iteration 12 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:39,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662275, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:39,429 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:39,671 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:39,672 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:39,672 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:39,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:39,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:39,673 INFO L87 Difference]: Start difference. First operand 131 states and 467 transitions. Second operand 7 states. [2018-07-25 13:40:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:41,364 INFO L93 Difference]: Finished difference Result 296 states and 1027 transitions. [2018-07-25 13:40:41,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 13:40:41,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:41,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:41,369 INFO L225 Difference]: With dead ends: 296 [2018-07-25 13:40:41,369 INFO L226 Difference]: Without dead ends: 290 [2018-07-25 13:40:41,370 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-07-25 13:40:41,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-07-25 13:40:41,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 137. [2018-07-25 13:40:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 13:40:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 492 transitions. [2018-07-25 13:40:41,415 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 492 transitions. Word has length 6 [2018-07-25 13:40:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:41,415 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 492 transitions. [2018-07-25 13:40:41,415 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-07-25 13:40:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:41,416 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:41,416 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:41,416 INFO L415 AbstractCegarLoop]: === Iteration 13 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:41,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662278, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:41,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:41,610 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:41,610 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:41,610 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:40:41,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:40:41,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 13:40:41,611 INFO L87 Difference]: Start difference. First operand 137 states and 492 transitions. Second operand 7 states. [2018-07-25 13:40:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:43,159 INFO L93 Difference]: Finished difference Result 301 states and 1032 transitions. [2018-07-25 13:40:43,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 13:40:43,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 13:40:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:43,163 INFO L225 Difference]: With dead ends: 301 [2018-07-25 13:40:43,164 INFO L226 Difference]: Without dead ends: 295 [2018-07-25 13:40:43,164 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-07-25 13:40:43,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-25 13:40:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 137. [2018-07-25 13:40:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 13:40:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 490 transitions. [2018-07-25 13:40:43,228 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 490 transitions. Word has length 6 [2018-07-25 13:40:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:43,229 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 490 transitions. [2018-07-25 13:40:43,229 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:40:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 490 transitions. [2018-07-25 13:40:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:43,229 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:43,230 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:40:43,230 INFO L415 AbstractCegarLoop]: === Iteration 14 === [productErr19ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:43,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1426078982, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:43,244 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:46,575 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2018-07-25 13:40:48,024 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-07-25 13:40:50,174 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2018-07-25 13:40:53,578 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-07-25 13:40:58,193 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-07-25 13:41:03,089 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-07-25 13:41:03,481 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-07-25 13:41:10,208 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2018-07-25 13:41:18,910 WARN L169 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2018-07-25 13:41:29,847 WARN L169 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2018-07-25 13:41:42,819 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-07-25 13:41:43,330 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2018-07-25 13:41:59,681 WARN L169 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-07-25 13:42:19,100 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-07-25 13:42:19,799 WARN L169 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2018-07-25 13:42:43,991 WARN L169 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-07-25 13:43:12,058 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-07-25 13:43:12,745 WARN L169 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2018-07-25 13:43:47,027 WARN L169 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2018-07-25 13:44:26,586 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-07-25 13:44:27,383 WARN L169 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 99 Received shutdown request... [2018-07-25 13:44:44,938 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:44:44,939 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:44:44,945 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:44:44,947 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:44:44 BoogieIcfgContainer [2018-07-25 13:44:44,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:44:44,948 INFO L168 Benchmark]: Toolchain (without parser) took 270438.56 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 450.5 MB). Peak memory consumption was 301.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,950 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:44:44,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:44:44,953 INFO L168 Benchmark]: Boogie Preprocessor took 43.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:44:44,953 INFO L168 Benchmark]: RCFGBuilder took 1406.47 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,954 INFO L168 Benchmark]: TraceAbstraction took 268925.06 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 397.6 MB). Peak memory consumption was 248.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,960 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 0.84 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 58.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1406.47 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268925.06 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -149.4 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 397.6 MB). Peak memory consumption was 248.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 640]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 640). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 800]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 800). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 604]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 604). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 223]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 223). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 71). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 194]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 194). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 832]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 832). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 574]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 574). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 660]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 645]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 645). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 316]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 316). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 675). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 847]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 847). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 470]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 470). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 599]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 599). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 569]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 569). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 263]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 263). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 584]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 584). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 199]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 199). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 337]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 337). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 816]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 816). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 446]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 446). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 624]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 624). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 95). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 594]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 594). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 27 error locations. TIMEOUT Result, 268.8s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 22.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2786 SDtfs, 2539 SDslu, 3480 SDs, 0 SdLazy, 13329 SolverSat, 1044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1552 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 3.1s 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_out3.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-44-44-980.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out3.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-44-44-980.csv Completed graceful shutdown