java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:01:10,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:01:10,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:01:10,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:01:10,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:01:10,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:01:10,850 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:01:10,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:01:10,861 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:01:10,862 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:01:10,863 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:01:10,863 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:01:10,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:01:10,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:01:10,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:01:10,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:01:10,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:01:10,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:01:10,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:01:10,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:01:10,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:01:10,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:01:10,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:01:10,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:01:10,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:01:10,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:01:10,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:01:10,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:01:10,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:01:10,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:01:10,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:01:10,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:01:10,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:01:10,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:01:10,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:01:10,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:01:10,910 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:01:10,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:01:10,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:01:10,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:01:10,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:01:10,928 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:01:10,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:01:10,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:01:10,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:01:10,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:01:10,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:01:10,998 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:01:10,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2018-07-25 09:01:10,999 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2018-07-25 09:01:11,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:01:11,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:01:11,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:11,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:01:11,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:01:11,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,146 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 09:01:11,146 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 09:01:11,147 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 09:01:11,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:01:11,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:01:11,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:01:11,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:01:11,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... [2018-07-25 09:01:11,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:01:11,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:01:11,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:01:11,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:01:11,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 09:01:11,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 09:01:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 09:01:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 09:01:12,715 INFO L270 CfgBuilder]: Using library mode [2018-07-25 09:01:12,716 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:12 BoogieIcfgContainer [2018-07-25 09:01:12,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:01:12,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:01:12,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:01:12,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:01:12,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:01:11" (1/2) ... [2018-07-25 09:01:12,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fae19 and model type threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:01:12, skipping insertion in model container [2018-07-25 09:01:12,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:01:12" (2/2) ... [2018-07-25 09:01:12,723 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3.mover.bpl [2018-07-25 09:01:12,733 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:01:12,741 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-07-25 09:01:12,786 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:01:12,787 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:01:12,787 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:01:12,787 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:01:12,787 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:01:12,787 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:01:12,788 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:01:12,788 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:01:12,788 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:01:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-07-25 09:01:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:01:12,815 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:12,816 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:01:12,818 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:12,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1483933, now seen corresponding path program 1 times [2018-07-25 09:01:12,828 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:13,034 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:13,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:13,039 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:01:13,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:01:13,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:01:13,046 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 5 states. [2018-07-25 09:01:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:14,625 INFO L93 Difference]: Finished difference Result 113 states and 305 transitions. [2018-07-25 09:01:14,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:01:14,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:01:14,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:14,645 INFO L225 Difference]: With dead ends: 113 [2018-07-25 09:01:14,645 INFO L226 Difference]: Without dead ends: 109 [2018-07-25 09:01:14,649 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 09:01:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-25 09:01:14,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2018-07-25 09:01:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-25 09:01:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 175 transitions. [2018-07-25 09:01:14,702 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 175 transitions. Word has length 4 [2018-07-25 09:01:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:14,703 INFO L472 AbstractCegarLoop]: Abstraction has 64 states and 175 transitions. [2018-07-25 09:01:14,704 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:01:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 175 transitions. [2018-07-25 09:01:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:01:14,705 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:14,705 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:01:14,706 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:14,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1486926, now seen corresponding path program 1 times [2018-07-25 09:01:14,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:14,847 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-25 09:01:15,011 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:15,012 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:15,013 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:01:15,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:01:15,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:01:15,014 INFO L87 Difference]: Start difference. First operand 64 states and 175 transitions. Second operand 5 states. [2018-07-25 09:01:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:16,396 INFO L93 Difference]: Finished difference Result 125 states and 357 transitions. [2018-07-25 09:01:16,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:01:16,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:01:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:16,402 INFO L225 Difference]: With dead ends: 125 [2018-07-25 09:01:16,402 INFO L226 Difference]: Without dead ends: 121 [2018-07-25 09:01:16,404 INFO L574 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 [2018-07-25 09:01:16,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-25 09:01:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2018-07-25 09:01:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-25 09:01:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 211 transitions. [2018-07-25 09:01:16,424 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 211 transitions. Word has length 4 [2018-07-25 09:01:16,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:16,424 INFO L472 AbstractCegarLoop]: Abstraction has 72 states and 211 transitions. [2018-07-25 09:01:16,424 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:01:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 211 transitions. [2018-07-25 09:01:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:01:16,425 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:16,426 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:01:16,427 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:16,427 INFO L82 PathProgramCache]: Analyzing trace with hash 951145, now seen corresponding path program 1 times [2018-07-25 09:01:16,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:16,514 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:16,515 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:01:16,515 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 09:01:16,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 09:01:16,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 09:01:16,516 INFO L87 Difference]: Start difference. First operand 72 states and 211 transitions. Second operand 5 states. [2018-07-25 09:01:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:17,276 INFO L93 Difference]: Finished difference Result 137 states and 409 transitions. [2018-07-25 09:01:17,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 09:01:17,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 09:01:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:17,282 INFO L225 Difference]: With dead ends: 137 [2018-07-25 09:01:17,282 INFO L226 Difference]: Without dead ends: 133 [2018-07-25 09:01:17,283 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 09:01:17,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-25 09:01:17,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-07-25 09:01:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-25 09:01:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 247 transitions. [2018-07-25 09:01:17,302 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 247 transitions. Word has length 4 [2018-07-25 09:01:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:17,302 INFO L472 AbstractCegarLoop]: Abstraction has 80 states and 247 transitions. [2018-07-25 09:01:17,302 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 09:01:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 247 transitions. [2018-07-25 09:01:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:01:17,303 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:17,304 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:01:17,305 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:17,305 INFO L82 PathProgramCache]: Analyzing trace with hash 45957534, now seen corresponding path program 1 times [2018-07-25 09:01:17,305 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:17,419 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:17,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:01:17,420 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:17,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:17,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:17,421 INFO L87 Difference]: Start difference. First operand 80 states and 247 transitions. Second operand 6 states. [2018-07-25 09:01:19,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:19,012 INFO L93 Difference]: Finished difference Result 163 states and 519 transitions. [2018-07-25 09:01:19,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 09:01:19,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:01:19,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:19,015 INFO L225 Difference]: With dead ends: 163 [2018-07-25 09:01:19,016 INFO L226 Difference]: Without dead ends: 159 [2018-07-25 09:01:19,016 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:01:19,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-25 09:01:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 91. [2018-07-25 09:01:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-25 09:01:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 295 transitions. [2018-07-25 09:01:19,052 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 295 transitions. Word has length 5 [2018-07-25 09:01:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:19,053 INFO L472 AbstractCegarLoop]: Abstraction has 91 states and 295 transitions. [2018-07-25 09:01:19,053 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:19,053 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2018-07-25 09:01:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:01:19,058 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:19,058 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:01:19,060 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:19,060 INFO L82 PathProgramCache]: Analyzing trace with hash 45517626, now seen corresponding path program 1 times [2018-07-25 09:01:19,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:19,336 WARN L169 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-07-25 09:01:19,428 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:19,429 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:01:19,429 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:19,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:19,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:19,430 INFO L87 Difference]: Start difference. First operand 91 states and 295 transitions. Second operand 6 states. [2018-07-25 09:01:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:21,458 INFO L93 Difference]: Finished difference Result 172 states and 560 transitions. [2018-07-25 09:01:21,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 09:01:21,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:01:21,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:21,468 INFO L225 Difference]: With dead ends: 172 [2018-07-25 09:01:21,468 INFO L226 Difference]: Without dead ends: 168 [2018-07-25 09:01:21,470 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:01:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-25 09:01:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 98. [2018-07-25 09:01:21,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-25 09:01:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 323 transitions. [2018-07-25 09:01:21,497 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 323 transitions. Word has length 5 [2018-07-25 09:01:21,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:21,498 INFO L472 AbstractCegarLoop]: Abstraction has 98 states and 323 transitions. [2018-07-25 09:01:21,498 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:21,498 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 323 transitions. [2018-07-25 09:01:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:01:21,502 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:21,503 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:01:21,503 INFO L415 AbstractCegarLoop]: === Iteration 6 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:21,504 INFO L82 PathProgramCache]: Analyzing trace with hash 45763099, now seen corresponding path program 1 times [2018-07-25 09:01:21,504 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:21,696 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:21,696 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 09:01:21,696 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:01:21,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:01:21,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 09:01:21,697 INFO L87 Difference]: Start difference. First operand 98 states and 323 transitions. Second operand 6 states. [2018-07-25 09:01:22,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:22,897 INFO L93 Difference]: Finished difference Result 178 states and 585 transitions. [2018-07-25 09:01:22,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 09:01:22,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 09:01:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:22,901 INFO L225 Difference]: With dead ends: 178 [2018-07-25 09:01:22,902 INFO L226 Difference]: Without dead ends: 174 [2018-07-25 09:01:22,902 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 09:01:22,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-25 09:01:22,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 102. [2018-07-25 09:01:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-25 09:01:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 337 transitions. [2018-07-25 09:01:22,935 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 337 transitions. Word has length 5 [2018-07-25 09:01:22,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:22,936 INFO L472 AbstractCegarLoop]: Abstraction has 102 states and 337 transitions. [2018-07-25 09:01:22,936 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:01:22,936 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 337 transitions. [2018-07-25 09:01:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:22,938 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:22,938 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:22,939 INFO L415 AbstractCegarLoop]: === Iteration 7 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:22,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687860, now seen corresponding path program 1 times [2018-07-25 09:01:22,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:23,235 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:23,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:23,235 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:23,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:23,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:23,236 INFO L87 Difference]: Start difference. First operand 102 states and 337 transitions. Second operand 7 states. [2018-07-25 09:01:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:26,016 INFO L93 Difference]: Finished difference Result 319 states and 1010 transitions. [2018-07-25 09:01:26,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:26,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:26,021 INFO L225 Difference]: With dead ends: 319 [2018-07-25 09:01:26,021 INFO L226 Difference]: Without dead ends: 313 [2018-07-25 09:01:26,022 INFO L574 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 [2018-07-25 09:01:26,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-25 09:01:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 108. [2018-07-25 09:01:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 09:01:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 366 transitions. [2018-07-25 09:01:26,051 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 366 transitions. Word has length 6 [2018-07-25 09:01:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:26,051 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 366 transitions. [2018-07-25 09:01:26,051 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 366 transitions. [2018-07-25 09:01:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:26,053 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:26,053 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:26,053 INFO L415 AbstractCegarLoop]: === Iteration 8 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:26,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687863, now seen corresponding path program 1 times [2018-07-25 09:01:26,054 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:26,419 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:26,419 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:26,419 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:26,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:26,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:26,420 INFO L87 Difference]: Start difference. First operand 108 states and 366 transitions. Second operand 7 states. [2018-07-25 09:01:28,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:28,726 INFO L93 Difference]: Finished difference Result 307 states and 987 transitions. [2018-07-25 09:01:28,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:28,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:28,731 INFO L225 Difference]: With dead ends: 307 [2018-07-25 09:01:28,731 INFO L226 Difference]: Without dead ends: 301 [2018-07-25 09:01:28,732 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 09:01:28,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-25 09:01:28,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 108. [2018-07-25 09:01:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 09:01:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 364 transitions. [2018-07-25 09:01:28,760 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 364 transitions. Word has length 6 [2018-07-25 09:01:28,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:28,760 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 364 transitions. [2018-07-25 09:01:28,760 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 364 transitions. [2018-07-25 09:01:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:28,761 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:28,762 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:28,762 INFO L415 AbstractCegarLoop]: === Iteration 9 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:28,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690216, now seen corresponding path program 1 times [2018-07-25 09:01:28,763 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:28,921 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:28,921 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:28,921 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:28,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:28,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:28,922 INFO L87 Difference]: Start difference. First operand 108 states and 364 transitions. Second operand 7 states. [2018-07-25 09:01:31,377 WARN L169 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-07-25 09:01:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:32,130 INFO L93 Difference]: Finished difference Result 322 states and 1043 transitions. [2018-07-25 09:01:32,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:32,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:32,135 INFO L225 Difference]: With dead ends: 322 [2018-07-25 09:01:32,135 INFO L226 Difference]: Without dead ends: 316 [2018-07-25 09:01:32,136 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 09:01:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-07-25 09:01:32,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 112. [2018-07-25 09:01:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-25 09:01:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 382 transitions. [2018-07-25 09:01:32,162 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 382 transitions. Word has length 6 [2018-07-25 09:01:32,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:32,162 INFO L472 AbstractCegarLoop]: Abstraction has 112 states and 382 transitions. [2018-07-25 09:01:32,162 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 382 transitions. [2018-07-25 09:01:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:32,163 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:32,163 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:32,164 INFO L415 AbstractCegarLoop]: === Iteration 10 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:32,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690219, now seen corresponding path program 1 times [2018-07-25 09:01:32,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:32,285 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:32,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:32,285 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:32,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:32,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:32,286 INFO L87 Difference]: Start difference. First operand 112 states and 382 transitions. Second operand 7 states. [2018-07-25 09:01:34,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:34,154 INFO L93 Difference]: Finished difference Result 312 states and 1009 transitions. [2018-07-25 09:01:34,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 09:01:34,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:34,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:34,158 INFO L225 Difference]: With dead ends: 312 [2018-07-25 09:01:34,158 INFO L226 Difference]: Without dead ends: 306 [2018-07-25 09:01:34,159 INFO L574 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 [2018-07-25 09:01:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-07-25 09:01:34,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 110. [2018-07-25 09:01:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 09:01:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 373 transitions. [2018-07-25 09:01:34,187 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 373 transitions. Word has length 6 [2018-07-25 09:01:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:34,187 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 373 transitions. [2018-07-25 09:01:34,187 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 373 transitions. [2018-07-25 09:01:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:34,188 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:34,188 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:34,189 INFO L415 AbstractCegarLoop]: === Iteration 11 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1424276838, now seen corresponding path program 1 times [2018-07-25 09:01:34,189 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:34,318 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:34,318 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:34,319 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:34,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:34,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:34,319 INFO L87 Difference]: Start difference. First operand 110 states and 373 transitions. Second operand 7 states. [2018-07-25 09:01:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:35,569 INFO L93 Difference]: Finished difference Result 221 states and 759 transitions. [2018-07-25 09:01:35,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-25 09:01:35,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:35,572 INFO L225 Difference]: With dead ends: 221 [2018-07-25 09:01:35,573 INFO L226 Difference]: Without dead ends: 217 [2018-07-25 09:01:35,574 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 09:01:35,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-25 09:01:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2018-07-25 09:01:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-25 09:01:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 467 transitions. [2018-07-25 09:01:35,623 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 467 transitions. Word has length 6 [2018-07-25 09:01:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:35,624 INFO L472 AbstractCegarLoop]: Abstraction has 131 states and 467 transitions. [2018-07-25 09:01:35,624 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 467 transitions. [2018-07-25 09:01:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:35,625 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:35,625 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:35,625 INFO L415 AbstractCegarLoop]: === Iteration 12 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:35,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662275, now seen corresponding path program 1 times [2018-07-25 09:01:35,626 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:35,833 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:35,833 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:35,833 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:35,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:35,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:35,834 INFO L87 Difference]: Start difference. First operand 131 states and 467 transitions. Second operand 7 states. [2018-07-25 09:01:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:37,480 INFO L93 Difference]: Finished difference Result 296 states and 1027 transitions. [2018-07-25 09:01:37,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 09:01:37,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:37,485 INFO L225 Difference]: With dead ends: 296 [2018-07-25 09:01:37,485 INFO L226 Difference]: Without dead ends: 290 [2018-07-25 09:01:37,486 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-07-25 09:01:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-07-25 09:01:37,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 137. [2018-07-25 09:01:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 09:01:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 492 transitions. [2018-07-25 09:01:37,532 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 492 transitions. Word has length 6 [2018-07-25 09:01:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:37,532 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 492 transitions. [2018-07-25 09:01:37,532 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-07-25 09:01:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:37,533 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:37,533 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:01:37,534 INFO L415 AbstractCegarLoop]: === Iteration 13 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:37,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662278, now seen corresponding path program 1 times [2018-07-25 09:01:37,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:37,702 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:01:37,702 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:01:37,702 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 09:01:37,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 09:01:37,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:01:37,703 INFO L87 Difference]: Start difference. First operand 137 states and 492 transitions. Second operand 7 states. [2018-07-25 09:01:39,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:01:39,224 INFO L93 Difference]: Finished difference Result 301 states and 1032 transitions. [2018-07-25 09:01:39,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 09:01:39,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 09:01:39,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:01:39,229 INFO L225 Difference]: With dead ends: 301 [2018-07-25 09:01:39,229 INFO L226 Difference]: Without dead ends: 295 [2018-07-25 09:01:39,230 INFO L574 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 [2018-07-25 09:01:39,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-25 09:01:39,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 137. [2018-07-25 09:01:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 09:01:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 490 transitions. [2018-07-25 09:01:39,299 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 490 transitions. Word has length 6 [2018-07-25 09:01:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:01:39,299 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 490 transitions. [2018-07-25 09:01:39,299 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 09:01:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 490 transitions. [2018-07-25 09:01:39,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:01:39,300 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:01:39,301 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:01:39,301 INFO L415 AbstractCegarLoop]: === Iteration 14 === [productErr17ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr9ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:01:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1426078982, now seen corresponding path program 1 times [2018-07-25 09:01:39,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:01:42,545 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2018-07-25 09:01:44,239 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-07-25 09:01:46,412 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2018-07-25 09:01:49,856 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2018-07-25 09:01:54,578 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2018-07-25 09:01:59,755 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-07-25 09:02:06,405 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2018-07-25 09:02:14,521 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-07-25 09:02:15,024 WARN L169 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2018-07-25 09:02:25,779 WARN L169 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2018-07-25 09:02:38,990 WARN L169 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2018-07-25 09:02:55,381 WARN L169 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-07-25 09:03:14,666 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-07-25 09:03:15,367 WARN L169 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2018-07-25 09:03:39,254 WARN L169 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2018-07-25 09:04:07,227 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-07-25 09:04:07,912 WARN L169 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2018-07-25 09:04:41,757 WARN L169 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2018-07-25 09:05:20,911 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-07-25 09:05:21,699 WARN L169 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 99 Received shutdown request... [2018-07-25 09:05:41,076 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:05:41,084 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:05:41,084 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:05:41 BoogieIcfgContainer [2018-07-25 09:05:41,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:05:41,085 INFO L168 Benchmark]: Toolchain (without parser) took 269999.19 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -159.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:41,087 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:41,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:41,088 INFO L168 Benchmark]: Boogie Preprocessor took 69.86 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:41,088 INFO L168 Benchmark]: RCFGBuilder took 1495.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-25 09:05:41,089 INFO L168 Benchmark]: TraceAbstraction took 268367.67 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -159.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 119.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:05:41,093 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 61.46 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 69.86 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 1495.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268367.67 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -159.4 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 119.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 645]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 645). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 73 known predicates. - TimeoutResultAtElement [Line: 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: 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: 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: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 27 error locations. TIMEOUT Result, 268.3s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 23.2s 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, 5.7s 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: 2.6s 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.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-05-41-107.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out3.mover.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-05-41-107.csv Completed graceful shutdown