java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:40:11,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:40:11,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:40:11,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:40:11,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:40:11,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:40:11,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:40:11,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:40:11,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:40:11,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:40:11,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:40:11,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:40:11,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:40:11,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:40:11,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:40:11,839 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:40:11,840 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:40:11,841 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:40:11,843 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:40:11,845 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:40:11,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:40:11,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:40:11,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:40:11,850 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:40:11,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:40:11,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:40:11,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:40:11,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:40:11,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:40:11,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:40:11,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:40:11,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:40:11,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:40:11,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:40:11,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:40:11,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:40:11,858 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:40:11,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:40:11,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:40:11,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:40:11,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:40:11,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:40:11,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:11,871 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:40:11,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:40:11,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:40:11,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:40:11,960 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:40:11,961 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:40:11,961 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2018-07-25 13:40:11,962 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2018-07-25 13:40:12,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:40:12,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:40:12,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:12,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:40:12,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:40:12,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,078 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:40:12,079 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:40:12,079 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:40:12,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:40:12,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:40:12,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:40:12,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:40:12,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... [2018-07-25 13:40:12,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:40:12,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:40:12,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:40:12,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:40:12,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 13:40:12,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 13:40:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 13:40:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 13:40:12,692 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:12,692 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:12 BoogieIcfgContainer [2018-07-25 13:40:12,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:12,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:12,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:12,697 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:12,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:40:12" (1/2) ... [2018-07-25 13:40:12,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63df8def and model type threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:12, skipping insertion in model container [2018-07-25 13:40:12,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:12" (2/2) ... [2018-07-25 13:40:12,701 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out2.mover.bpl [2018-07-25 13:40:12,711 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:12,721 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-07-25 13:40:12,769 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:12,770 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:12,770 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:12,770 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:12,770 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:12,771 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:12,771 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:12,771 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:40:12,771 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:40:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-07-25 13:40:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:12,801 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:12,803 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:12,805 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash 934210, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:12,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:13,095 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:13,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:13,099 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:13,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:13,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:40:13,107 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2018-07-25 13:40:13,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:13,757 INFO L93 Difference]: Finished difference Result 39 states and 86 transitions. [2018-07-25 13:40:13,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:40:13,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 13:40:13,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:13,780 INFO L225 Difference]: With dead ends: 39 [2018-07-25 13:40:13,789 INFO L226 Difference]: Without dead ends: 35 [2018-07-25 13:40:13,795 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-25 13:40:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2018-07-25 13:40:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-25 13:40:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 50 transitions. [2018-07-25 13:40:13,837 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 50 transitions. Word has length 4 [2018-07-25 13:40:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:13,837 INFO L472 AbstractCegarLoop]: Abstraction has 23 states and 50 transitions. [2018-07-25 13:40:13,837 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 50 transitions. [2018-07-25 13:40:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:13,838 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:13,838 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:13,839 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1042904, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:13,850 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:13,970 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:13,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:40:13,972 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:40:13,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:40:13,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:40:13,974 INFO L87 Difference]: Start difference. First operand 23 states and 50 transitions. Second operand 5 states. [2018-07-25 13:40:14,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:14,608 INFO L93 Difference]: Finished difference Result 43 states and 99 transitions. [2018-07-25 13:40:14,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:40:14,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 13:40:14,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:14,611 INFO L225 Difference]: With dead ends: 43 [2018-07-25 13:40:14,612 INFO L226 Difference]: Without dead ends: 41 [2018-07-25 13:40:14,613 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:40:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-25 13:40:14,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2018-07-25 13:40:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-25 13:40:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 57 transitions. [2018-07-25 13:40:14,623 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 57 transitions. Word has length 4 [2018-07-25 13:40:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:14,624 INFO L472 AbstractCegarLoop]: Abstraction has 25 states and 57 transitions. [2018-07-25 13:40:14,624 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:40:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 57 transitions. [2018-07-25 13:40:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:14,625 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:14,625 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 13:40:14,626 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:14,626 INFO L82 PathProgramCache]: Analyzing trace with hash 28954123, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:14,636 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:14,809 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:14,809 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:40:14,809 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:14,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:14,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:14,810 INFO L87 Difference]: Start difference. First operand 25 states and 57 transitions. Second operand 6 states. [2018-07-25 13:40:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:15,244 INFO L93 Difference]: Finished difference Result 58 states and 139 transitions. [2018-07-25 13:40:15,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 13:40:15,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 13:40:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:15,248 INFO L225 Difference]: With dead ends: 58 [2018-07-25 13:40:15,249 INFO L226 Difference]: Without dead ends: 56 [2018-07-25 13:40:15,251 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-07-25 13:40:15,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-25 13:40:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 32. [2018-07-25 13:40:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-25 13:40:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 77 transitions. [2018-07-25 13:40:15,268 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 77 transitions. Word has length 5 [2018-07-25 13:40:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:15,270 INFO L472 AbstractCegarLoop]: Abstraction has 32 states and 77 transitions. [2018-07-25 13:40:15,270 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2018-07-25 13:40:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:15,271 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:15,272 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 13:40:15,272 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:15,273 INFO L82 PathProgramCache]: Analyzing trace with hash 32258852, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:15,288 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:15,508 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:15,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:40:15,509 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:15,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:15,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:15,510 INFO L87 Difference]: Start difference. First operand 32 states and 77 transitions. Second operand 6 states. [2018-07-25 13:40:16,173 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-07-25 13:40:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:16,471 INFO L93 Difference]: Finished difference Result 67 states and 166 transitions. [2018-07-25 13:40:16,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 13:40:16,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 13:40:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:16,474 INFO L225 Difference]: With dead ends: 67 [2018-07-25 13:40:16,474 INFO L226 Difference]: Without dead ends: 65 [2018-07-25 13:40:16,474 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-07-25 13:40:16,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-25 13:40:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-07-25 13:40:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-25 13:40:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 89 transitions. [2018-07-25 13:40:16,488 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 89 transitions. Word has length 5 [2018-07-25 13:40:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:16,489 INFO L472 AbstractCegarLoop]: Abstraction has 37 states and 89 transitions. [2018-07-25 13:40:16,489 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 89 transitions. [2018-07-25 13:40:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:16,490 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:16,490 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:16,490 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:16,491 INFO L82 PathProgramCache]: Analyzing trace with hash 897576008, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:16,501 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:16,636 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:16,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:16,636 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:16,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:16,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:16,637 INFO L87 Difference]: Start difference. First operand 37 states and 89 transitions. Second operand 6 states. [2018-07-25 13:40:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:17,518 INFO L93 Difference]: Finished difference Result 138 states and 338 transitions. [2018-07-25 13:40:17,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:17,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-25 13:40:17,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:17,523 INFO L225 Difference]: With dead ends: 138 [2018-07-25 13:40:17,523 INFO L226 Difference]: Without dead ends: 134 [2018-07-25 13:40:17,525 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-07-25 13:40:17,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-25 13:40:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 49. [2018-07-25 13:40:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-25 13:40:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 131 transitions. [2018-07-25 13:40:17,549 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 131 transitions. Word has length 6 [2018-07-25 13:40:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:17,549 INFO L472 AbstractCegarLoop]: Abstraction has 49 states and 131 transitions. [2018-07-25 13:40:17,549 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 131 transitions. [2018-07-25 13:40:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:17,551 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:17,551 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:40:17,551 INFO L415 AbstractCegarLoop]: === Iteration 6 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:17,552 INFO L82 PathProgramCache]: Analyzing trace with hash 897578922, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) [2018-07-25 13:40:17,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:17,734 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:17,734 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 13:40:17,734 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:40:17,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:40:17,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:40:17,736 INFO L87 Difference]: Start difference. First operand 49 states and 131 transitions. Second operand 6 states. [2018-07-25 13:40:18,353 WARN L169 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 13:40:19,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:19,147 INFO L93 Difference]: Finished difference Result 135 states and 334 transitions. [2018-07-25 13:40:19,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 13:40:19,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-25 13:40:19,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:19,151 INFO L225 Difference]: With dead ends: 135 [2018-07-25 13:40:19,151 INFO L226 Difference]: Without dead ends: 131 [2018-07-25 13:40:19,152 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-07-25 13:40:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-25 13:40:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 51. [2018-07-25 13:40:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-25 13:40:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 138 transitions. [2018-07-25 13:40:19,174 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 138 transitions. Word has length 6 [2018-07-25 13:40:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:19,175 INFO L472 AbstractCegarLoop]: Abstraction has 51 states and 138 transitions. [2018-07-25 13:40:19,175 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:40:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 138 transitions. [2018-07-25 13:40:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:40:19,178 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:19,179 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:40:19,179 INFO L415 AbstractCegarLoop]: === Iteration 7 === [productErr3ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:19,179 INFO L82 PathProgramCache]: Analyzing trace with hash 897780733, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:19,188 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:38,940 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2018-07-25 13:40:47,616 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-07-25 13:40:59,514 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2018-07-25 13:41:15,443 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2018-07-25 13:41:37,247 WARN L169 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2018-07-25 13:42:04,936 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2018-07-25 13:42:40,244 WARN L169 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2018-07-25 13:43:01,183 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-07-25 13:43:24,851 WARN L169 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2018-07-25 13:43:51,113 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-07-25 13:44:20,499 WARN L169 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 Received shutdown request... [2018-07-25 13:44:44,851 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:44:44,852 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:44:44,857 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:44:44,858 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:44:44 BoogieIcfgContainer [2018-07-25 13:44:44,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:44:44,859 INFO L168 Benchmark]: Toolchain (without parser) took 272824.42 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -228.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 335.4 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,860 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 13:44:44,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:44:44,861 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:44:44,862 INFO L168 Benchmark]: RCFGBuilder took 578.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,862 INFO L168 Benchmark]: TraceAbstraction took 272164.10 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -228.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 314.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:44:44,866 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 44.39 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 28.54 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 578.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272164.10 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -228.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 314.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 176]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 176). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 181]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 181). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 186). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 60). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - TimeoutResultAtElement [Line: 171]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 171). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 106 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 6 error locations. TIMEOUT Result, 272.0s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 293 SDtfs, 268 SDslu, 277 SDs, 0 SdLazy, 1387 SolverSat, 223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.8s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-44-44-882.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out2.mover.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-44-44-882.csv Completed graceful shutdown