java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:31:33,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:31:33,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:31:33,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:31:33,394 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:31:33,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:31:33,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:31:33,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:31:33,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:31:33,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:31:33,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:31:33,408 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:31:33,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:31:33,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:31:33,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:31:33,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:31:33,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:31:33,421 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:31:33,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:31:33,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:31:33,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:31:33,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:31:33,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:31:33,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:31:33,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:31:33,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:31:33,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:31:33,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:31:33,447 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:31:33,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:31:33,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:31:33,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:31:33,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:31:33,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:31:33,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:31:33,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:31:33,457 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:31:33,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:31:33,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:31:33,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:31:33,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:31:33,474 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:31:33,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:33,474 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:31:33,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:31:33,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:31:33,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:31:33,557 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:31:33,557 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:31:33,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2018-09-26 08:31:33,558 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2018-09-26 08:31:33,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:31:33,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:31:33,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:33,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:31:33,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:31:33,667 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 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,692 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 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,700 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 08:31:33,704 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 08:31:33,704 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 08:31:33,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:31:33,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:31:33,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:31:33,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:31:33,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... [2018-09-26 08:31:33,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:31:33,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:31:33,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:31:33,758 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:31:33,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:31:33,852 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-26 08:31:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-26 08:31:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-26 08:31:35,149 INFO L343 CfgBuilder]: Using library mode [2018-09-26 08:31:35,149 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:35 BoogieIcfgContainer [2018-09-26 08:31:35,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:31:35,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:31:35,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:31:35,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:31:35,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:31:33" (1/2) ... [2018-09-26 08:31:35,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff1a155 and model type threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:31:35, skipping insertion in model container [2018-09-26 08:31:35,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:31:35" (2/2) ... [2018-09-26 08:31:35,158 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3.mover.bpl [2018-09-26 08:31:35,167 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:31:35,178 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-09-26 08:31:35,225 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:31:35,226 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:31:35,227 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:31:35,227 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:31:35,227 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:31:35,227 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:31:35,228 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:31:35,228 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:31:35,228 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:31:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-09-26 08:31:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:35,257 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:35,258 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:35,261 INFO L423 AbstractCegarLoop]: === Iteration 1 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:35,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:35,268 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 [2018-09-26 08:31:35,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:35,524 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:35,525 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:31:35,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:31:35,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:31:35,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:31:35,538 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 5 states. [2018-09-26 08:31:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:37,260 INFO L93 Difference]: Finished difference Result 113 states and 305 transitions. [2018-09-26 08:31:37,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:31:37,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-09-26 08:31:37,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:37,281 INFO L225 Difference]: With dead ends: 113 [2018-09-26 08:31:37,281 INFO L226 Difference]: Without dead ends: 109 [2018-09-26 08:31:37,285 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-26 08:31:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-09-26 08:31:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2018-09-26 08:31:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-09-26 08:31:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 175 transitions. [2018-09-26 08:31:37,337 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 175 transitions. Word has length 4 [2018-09-26 08:31:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:37,338 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 175 transitions. [2018-09-26 08:31:37,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:31:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 175 transitions. [2018-09-26 08:31:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:37,340 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:37,340 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:37,341 INFO L423 AbstractCegarLoop]: === Iteration 2 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:37,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:37,342 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 [2018-09-26 08:31:37,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:37,691 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:37,692 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:31:37,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:31:37,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:31:37,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:31:37,694 INFO L87 Difference]: Start difference. First operand 64 states and 175 transitions. Second operand 5 states. [2018-09-26 08:31:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:39,140 INFO L93 Difference]: Finished difference Result 125 states and 357 transitions. [2018-09-26 08:31:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:31:39,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-09-26 08:31:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:39,146 INFO L225 Difference]: With dead ends: 125 [2018-09-26 08:31:39,146 INFO L226 Difference]: Without dead ends: 121 [2018-09-26 08:31:39,147 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-26 08:31:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-09-26 08:31:39,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2018-09-26 08:31:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-09-26 08:31:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 211 transitions. [2018-09-26 08:31:39,166 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 211 transitions. Word has length 4 [2018-09-26 08:31:39,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:39,167 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 211 transitions. [2018-09-26 08:31:39,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:31:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 211 transitions. [2018-09-26 08:31:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:31:39,168 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:39,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:31:39,169 INFO L423 AbstractCegarLoop]: === Iteration 3 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:39,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:39,170 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 [2018-09-26 08:31:39,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:39,309 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:39,309 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:31:39,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:31:39,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:31:39,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:31:39,310 INFO L87 Difference]: Start difference. First operand 72 states and 211 transitions. Second operand 5 states. [2018-09-26 08:31:40,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:40,089 INFO L93 Difference]: Finished difference Result 137 states and 409 transitions. [2018-09-26 08:31:40,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:31:40,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-09-26 08:31:40,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:40,095 INFO L225 Difference]: With dead ends: 137 [2018-09-26 08:31:40,096 INFO L226 Difference]: Without dead ends: 133 [2018-09-26 08:31:40,096 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-26 08:31:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-09-26 08:31:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-09-26 08:31:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-26 08:31:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 247 transitions. [2018-09-26 08:31:40,115 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 247 transitions. Word has length 4 [2018-09-26 08:31:40,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:40,116 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 247 transitions. [2018-09-26 08:31:40,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:31:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 247 transitions. [2018-09-26 08:31:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:31:40,117 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:40,117 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:31:40,118 INFO L423 AbstractCegarLoop]: === Iteration 4 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:40,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:40,119 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 [2018-09-26 08:31:40,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:40,301 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:40,301 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:31:40,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:40,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:40,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:40,302 INFO L87 Difference]: Start difference. First operand 80 states and 247 transitions. Second operand 6 states. [2018-09-26 08:31:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:41,961 INFO L93 Difference]: Finished difference Result 163 states and 519 transitions. [2018-09-26 08:31:41,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:31:41,961 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:31:41,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:41,963 INFO L225 Difference]: With dead ends: 163 [2018-09-26 08:31:41,963 INFO L226 Difference]: Without dead ends: 159 [2018-09-26 08:31:41,964 INFO L605 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 [2018-09-26 08:31:41,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-09-26 08:31:41,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 91. [2018-09-26 08:31:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-09-26 08:31:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 295 transitions. [2018-09-26 08:31:41,984 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 295 transitions. Word has length 5 [2018-09-26 08:31:41,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:41,984 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 295 transitions. [2018-09-26 08:31:41,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2018-09-26 08:31:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:31:41,986 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:41,986 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:31:41,987 INFO L423 AbstractCegarLoop]: === Iteration 5 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:41,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:41,987 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 [2018-09-26 08:31:42,005 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:42,312 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-26 08:31:42,512 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-26 08:31:42,845 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:42,845 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:31:42,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:42,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:42,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:42,846 INFO L87 Difference]: Start difference. First operand 91 states and 295 transitions. Second operand 6 states. [2018-09-26 08:31:44,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:44,651 INFO L93 Difference]: Finished difference Result 172 states and 560 transitions. [2018-09-26 08:31:44,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:31:44,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:31:44,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:44,657 INFO L225 Difference]: With dead ends: 172 [2018-09-26 08:31:44,657 INFO L226 Difference]: Without dead ends: 168 [2018-09-26 08:31:44,657 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-09-26 08:31:44,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-09-26 08:31:44,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 98. [2018-09-26 08:31:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-26 08:31:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 323 transitions. [2018-09-26 08:31:44,679 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 323 transitions. Word has length 5 [2018-09-26 08:31:44,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:44,679 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 323 transitions. [2018-09-26 08:31:44,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 323 transitions. [2018-09-26 08:31:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:31:44,680 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:44,680 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:31:44,681 INFO L423 AbstractCegarLoop]: === Iteration 6 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:44,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:44,682 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 [2018-09-26 08:31:44,698 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:44,826 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:44,827 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:31:44,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 08:31:44,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 08:31:44,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-26 08:31:44,828 INFO L87 Difference]: Start difference. First operand 98 states and 323 transitions. Second operand 6 states. [2018-09-26 08:31:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:45,997 INFO L93 Difference]: Finished difference Result 178 states and 585 transitions. [2018-09-26 08:31:45,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-26 08:31:45,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-09-26 08:31:45,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:46,000 INFO L225 Difference]: With dead ends: 178 [2018-09-26 08:31:46,001 INFO L226 Difference]: Without dead ends: 174 [2018-09-26 08:31:46,002 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-09-26 08:31:46,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-09-26 08:31:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 102. [2018-09-26 08:31:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-09-26 08:31:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 337 transitions. [2018-09-26 08:31:46,024 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 337 transitions. Word has length 5 [2018-09-26 08:31:46,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:46,025 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 337 transitions. [2018-09-26 08:31:46,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 08:31:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 337 transitions. [2018-09-26 08:31:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:46,026 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:46,026 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:46,027 INFO L423 AbstractCegarLoop]: === Iteration 7 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:46,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:46,027 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 [2018-09-26 08:31:46,036 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:46,213 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:46,213 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:46,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:46,214 INFO L87 Difference]: Start difference. First operand 102 states and 337 transitions. Second operand 7 states. [2018-09-26 08:31:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:49,117 INFO L93 Difference]: Finished difference Result 319 states and 1010 transitions. [2018-09-26 08:31:49,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:49,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:31:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:49,122 INFO L225 Difference]: With dead ends: 319 [2018-09-26 08:31:49,122 INFO L226 Difference]: Without dead ends: 313 [2018-09-26 08:31:49,123 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-09-26 08:31:49,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-09-26 08:31:49,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 108. [2018-09-26 08:31:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-26 08:31:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 366 transitions. [2018-09-26 08:31:49,156 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 366 transitions. Word has length 6 [2018-09-26 08:31:49,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:49,157 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 366 transitions. [2018-09-26 08:31:49,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:31:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 366 transitions. [2018-09-26 08:31:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:49,158 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:49,158 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:49,159 INFO L423 AbstractCegarLoop]: === Iteration 8 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:49,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:49,160 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) [2018-09-26 08:31:49,189 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:31:49,442 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:49,443 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:49,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:49,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:49,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:49,444 INFO L87 Difference]: Start difference. First operand 108 states and 366 transitions. Second operand 7 states. [2018-09-26 08:31:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:51,534 INFO L93 Difference]: Finished difference Result 307 states and 987 transitions. [2018-09-26 08:31:51,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:51,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:31:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:51,541 INFO L225 Difference]: With dead ends: 307 [2018-09-26 08:31:51,541 INFO L226 Difference]: Without dead ends: 301 [2018-09-26 08:31:51,542 INFO L605 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 [2018-09-26 08:31:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-09-26 08:31:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 108. [2018-09-26 08:31:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-09-26 08:31:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 364 transitions. [2018-09-26 08:31:51,572 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 364 transitions. Word has length 6 [2018-09-26 08:31:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:51,572 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 364 transitions. [2018-09-26 08:31:51,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:31:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 364 transitions. [2018-09-26 08:31:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:51,573 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:51,573 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:51,574 INFO L423 AbstractCegarLoop]: === Iteration 9 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:51,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:51,574 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 [2018-09-26 08:31:51,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:51,780 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:51,780 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:51,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:51,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:51,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:51,782 INFO L87 Difference]: Start difference. First operand 108 states and 364 transitions. Second operand 7 states. [2018-09-26 08:31:54,324 WARN L178 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-09-26 08:31:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:55,288 INFO L93 Difference]: Finished difference Result 322 states and 1043 transitions. [2018-09-26 08:31:55,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:55,289 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:31:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:55,293 INFO L225 Difference]: With dead ends: 322 [2018-09-26 08:31:55,293 INFO L226 Difference]: Without dead ends: 316 [2018-09-26 08:31:55,294 INFO L605 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 [2018-09-26 08:31:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-09-26 08:31:55,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 112. [2018-09-26 08:31:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-09-26 08:31:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 382 transitions. [2018-09-26 08:31:55,324 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 382 transitions. Word has length 6 [2018-09-26 08:31:55,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:55,325 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 382 transitions. [2018-09-26 08:31:55,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:31:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 382 transitions. [2018-09-26 08:31:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:55,326 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:55,326 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:55,326 INFO L423 AbstractCegarLoop]: === Iteration 10 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:55,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:55,327 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 [2018-09-26 08:31:55,336 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:55,490 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:55,491 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:55,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:55,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:55,492 INFO L87 Difference]: Start difference. First operand 112 states and 382 transitions. Second operand 7 states. [2018-09-26 08:31:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:57,312 INFO L93 Difference]: Finished difference Result 312 states and 1009 transitions. [2018-09-26 08:31:57,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-09-26 08:31:57,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:31:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:57,315 INFO L225 Difference]: With dead ends: 312 [2018-09-26 08:31:57,315 INFO L226 Difference]: Without dead ends: 306 [2018-09-26 08:31:57,316 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-09-26 08:31:57,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-09-26 08:31:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 110. [2018-09-26 08:31:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-09-26 08:31:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 373 transitions. [2018-09-26 08:31:57,349 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 373 transitions. Word has length 6 [2018-09-26 08:31:57,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:57,349 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 373 transitions. [2018-09-26 08:31:57,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:31:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 373 transitions. [2018-09-26 08:31:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:57,350 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:57,350 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:57,351 INFO L423 AbstractCegarLoop]: === Iteration 11 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:57,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:57,351 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 [2018-09-26 08:31:57,362 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:57,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:57,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:57,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:57,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:57,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:57,654 INFO L87 Difference]: Start difference. First operand 110 states and 373 transitions. Second operand 7 states. [2018-09-26 08:31:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:31:58,904 INFO L93 Difference]: Finished difference Result 221 states and 759 transitions. [2018-09-26 08:31:58,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-26 08:31:58,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:31:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:31:58,907 INFO L225 Difference]: With dead ends: 221 [2018-09-26 08:31:58,908 INFO L226 Difference]: Without dead ends: 217 [2018-09-26 08:31:58,909 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-09-26 08:31:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-09-26 08:31:58,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2018-09-26 08:31:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-26 08:31:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 467 transitions. [2018-09-26 08:31:58,958 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 467 transitions. Word has length 6 [2018-09-26 08:31:58,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:31:58,958 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 467 transitions. [2018-09-26 08:31:58,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:31:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 467 transitions. [2018-09-26 08:31:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:31:58,959 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:31:58,959 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:31:58,960 INFO L423 AbstractCegarLoop]: === Iteration 12 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:31:58,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:31:58,960 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 [2018-09-26 08:31:58,975 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:31:59,222 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:31:59,222 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:31:59,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:31:59,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:31:59,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:31:59,223 INFO L87 Difference]: Start difference. First operand 131 states and 467 transitions. Second operand 7 states. [2018-09-26 08:32:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:32:00,779 INFO L93 Difference]: Finished difference Result 296 states and 1027 transitions. [2018-09-26 08:32:00,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-26 08:32:00,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:32:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:32:00,783 INFO L225 Difference]: With dead ends: 296 [2018-09-26 08:32:00,783 INFO L226 Difference]: Without dead ends: 290 [2018-09-26 08:32:00,784 INFO L605 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 [2018-09-26 08:32:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-09-26 08:32:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 137. [2018-09-26 08:32:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-09-26 08:32:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 492 transitions. [2018-09-26 08:32:00,828 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 492 transitions. Word has length 6 [2018-09-26 08:32:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:32:00,829 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 492 transitions. [2018-09-26 08:32:00,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:32:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-09-26 08:32:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:32:00,829 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:32:00,830 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:32:00,830 INFO L423 AbstractCegarLoop]: === Iteration 13 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:32:00,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:32:00,830 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 [2018-09-26 08:32:00,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:32:01,038 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:32:01,038 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:32:01,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 08:32:01,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 08:32:01,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:32:01,039 INFO L87 Difference]: Start difference. First operand 137 states and 492 transitions. Second operand 7 states. [2018-09-26 08:32:02,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:32:02,613 INFO L93 Difference]: Finished difference Result 301 states and 1032 transitions. [2018-09-26 08:32:02,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-26 08:32:02,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-09-26 08:32:02,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:32:02,616 INFO L225 Difference]: With dead ends: 301 [2018-09-26 08:32:02,617 INFO L226 Difference]: Without dead ends: 295 [2018-09-26 08:32:02,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-09-26 08:32:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-09-26 08:32:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 137. [2018-09-26 08:32:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-09-26 08:32:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 490 transitions. [2018-09-26 08:32:02,680 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 490 transitions. Word has length 6 [2018-09-26 08:32:02,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:32:02,680 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 490 transitions. [2018-09-26 08:32:02,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 08:32:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 490 transitions. [2018-09-26 08:32:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:32:02,681 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:32:02,681 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:32:02,682 INFO L423 AbstractCegarLoop]: === Iteration 14 === [productErr10ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:32:02,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:32:02,682 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 [2018-09-26 08:32:02,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:32:05,812 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2018-09-26 08:32:07,287 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-09-26 08:32:09,759 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2018-09-26 08:32:13,296 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-09-26 08:32:17,942 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-09-26 08:32:22,626 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-09-26 08:32:23,114 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-09-26 08:32:29,685 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2018-09-26 08:32:38,105 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2018-09-26 08:32:48,827 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2018-09-26 08:33:01,820 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-09-26 08:33:02,331 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2018-09-26 08:33:18,436 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-09-26 08:33:37,306 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-09-26 08:33:37,997 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2018-09-26 08:34:01,549 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-09-26 08:34:30,254 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-09-26 08:34:31,025 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2018-09-26 08:35:06,069 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2018-09-26 08:35:46,031 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-26 08:35:46,819 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 99 Received shutdown request... [2018-09-26 08:36:03,057 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:36:03,058 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:36:03,064 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:36:03,064 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:36:03 BoogieIcfgContainer [2018-09-26 08:36:03,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:36:03,065 INFO L168 Benchmark]: Toolchain (without parser) took 269424.50 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -140.5 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 240.0 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2018-09-26 08:36:03,066 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:36:03,066 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:36:03,067 INFO L168 Benchmark]: Boogie Preprocessor took 47.66 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:36:03,067 INFO L168 Benchmark]: RCFGBuilder took 1392.00 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:36:03,068 INFO L168 Benchmark]: TraceAbstraction took 267913.51 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -140.5 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:36:03,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.53 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 47.66 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 1392.00 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: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267913.51 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -140.5 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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. - 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 27 error locations. TIMEOUT Result, 267.8s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2786 SDtfs, 2539 SDslu, 3480 SDs, 0 SdLazy, 13329 SolverSat, 1044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 6.1s 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: 3.0s 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-0-2018-09-26_08-36-03-084.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out3.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-36-03-084.csv Completed graceful shutdown