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-smtinterpol.epf -i ../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:34:08,767 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:34:08,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:34:08,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:34:08,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:34:08,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:34:08,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:34:08,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:34:08,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:34:08,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:34:08,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:34:08,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:34:08,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:34:08,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:34:08,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:34:08,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:34:08,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:34:08,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:34:08,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:34:08,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:34:08,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:34:08,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:34:08,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:34:08,815 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:34:08,815 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:34:08,816 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:34:08,817 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:34:08,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:34:08,818 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:34:08,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:34:08,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:34:08,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:34:08,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:34:08,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:34:08,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:34:08,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:34:08,823 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:34:08,837 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:34:08,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:34:08,841 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:34:08,841 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:34:08,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:34:08,841 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:34:08,842 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:34:08,842 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:34:08,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:34:08,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:34:08,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:34:08,943 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:34:08,943 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:34:08,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2018-07-25 14:34:08,945 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2018-07-25 14:34:09,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:34:09,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:34:09,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:09,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:34:09,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:34:09,078 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,103 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,110 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:34:09,111 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:34:09,111 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:34:09,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:34:09,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:34:09,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:34:09,115 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:34:09,128 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,129 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,139 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,140 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,158 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,172 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,177 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:34:09,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:34:09,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:34:09,193 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:34:09,195 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 02:34:09" (1/1) ... [2018-07-25 14:34:09,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-07-25 14:34:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-07-25 14:34:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-07-25 14:34:09,807 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:34:09,808 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:34:09 BoogieIcfgContainer [2018-07-25 14:34:09,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:34:09,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:34:09,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:34:09,818 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:34:09,818 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 02:34:09" (1/2) ... [2018-07-25 14:34:09,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e14fbfe and model type threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:34:09, skipping insertion in model container [2018-07-25 14:34:09,821 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 02:34:09" (2/2) ... [2018-07-25 14:34:09,827 INFO L112 eAbstractionObserver]: Analyzing ICFG threadpooling_out3.mover.bpl [2018-07-25 14:34:09,837 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:34:09,848 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-07-25 14:34:09,898 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:34:09,899 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:34:09,899 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:34:09,900 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:34:09,900 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:34:09,900 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:34:09,900 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:34:09,901 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:34:09,901 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:34:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-07-25 14:34:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:34:09,925 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:09,926 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:34:09,928 INFO L415 AbstractCegarLoop]: === Iteration 1 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:09,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1483933, now seen corresponding path program 1 times [2018-07-25 14:34:09,940 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:10,097 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:10,097 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:34:10,102 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 14:34:10,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 14:34:10,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 14:34:10,112 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 5 states. [2018-07-25 14:34:10,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:10,795 INFO L93 Difference]: Finished difference Result 113 states and 305 transitions. [2018-07-25 14:34:10,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 14:34:10,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 14:34:10,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:10,816 INFO L225 Difference]: With dead ends: 113 [2018-07-25 14:34:10,817 INFO L226 Difference]: Without dead ends: 109 [2018-07-25 14:34:10,820 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 14:34:10,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-25 14:34:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2018-07-25 14:34:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-25 14:34:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 175 transitions. [2018-07-25 14:34:10,886 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 175 transitions. Word has length 4 [2018-07-25 14:34:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:10,887 INFO L472 AbstractCegarLoop]: Abstraction has 64 states and 175 transitions. [2018-07-25 14:34:10,888 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 14:34:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 175 transitions. [2018-07-25 14:34:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:34:10,889 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:10,890 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:34:10,894 INFO L415 AbstractCegarLoop]: === Iteration 2 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:10,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1486926, now seen corresponding path program 1 times [2018-07-25 14:34:10,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:10,924 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:10,925 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:34:10,930 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 14:34:10,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 14:34:10,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 14:34:10,933 INFO L87 Difference]: Start difference. First operand 64 states and 175 transitions. Second operand 5 states. [2018-07-25 14:34:11,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:11,206 INFO L93 Difference]: Finished difference Result 125 states and 357 transitions. [2018-07-25 14:34:11,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 14:34:11,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 14:34:11,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:11,210 INFO L225 Difference]: With dead ends: 125 [2018-07-25 14:34:11,211 INFO L226 Difference]: Without dead ends: 121 [2018-07-25 14:34:11,212 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 14:34:11,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-25 14:34:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2018-07-25 14:34:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-25 14:34:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 211 transitions. [2018-07-25 14:34:11,232 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 211 transitions. Word has length 4 [2018-07-25 14:34:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:11,233 INFO L472 AbstractCegarLoop]: Abstraction has 72 states and 211 transitions. [2018-07-25 14:34:11,233 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 14:34:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 211 transitions. [2018-07-25 14:34:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:34:11,234 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:11,234 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:34:11,236 INFO L415 AbstractCegarLoop]: === Iteration 3 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:11,236 INFO L82 PathProgramCache]: Analyzing trace with hash 951145, now seen corresponding path program 1 times [2018-07-25 14:34:11,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:11,268 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:11,268 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:34:11,270 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 14:34:11,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 14:34:11,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 14:34:11,272 INFO L87 Difference]: Start difference. First operand 72 states and 211 transitions. Second operand 5 states. [2018-07-25 14:34:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:11,544 INFO L93 Difference]: Finished difference Result 137 states and 409 transitions. [2018-07-25 14:34:11,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 14:34:11,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-07-25 14:34:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:11,547 INFO L225 Difference]: With dead ends: 137 [2018-07-25 14:34:11,548 INFO L226 Difference]: Without dead ends: 133 [2018-07-25 14:34:11,548 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-07-25 14:34:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-25 14:34:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 80. [2018-07-25 14:34:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-25 14:34:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 247 transitions. [2018-07-25 14:34:11,568 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 247 transitions. Word has length 4 [2018-07-25 14:34:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:11,568 INFO L472 AbstractCegarLoop]: Abstraction has 80 states and 247 transitions. [2018-07-25 14:34:11,569 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 14:34:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 247 transitions. [2018-07-25 14:34:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:34:11,570 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:11,570 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 14:34:11,571 INFO L415 AbstractCegarLoop]: === Iteration 4 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:11,572 INFO L82 PathProgramCache]: Analyzing trace with hash 45957534, now seen corresponding path program 1 times [2018-07-25 14:34:11,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:11,622 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:11,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 14:34:11,624 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:34:11,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:34:11,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 14:34:11,626 INFO L87 Difference]: Start difference. First operand 80 states and 247 transitions. Second operand 6 states. [2018-07-25 14:34:12,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:12,048 INFO L93 Difference]: Finished difference Result 163 states and 519 transitions. [2018-07-25 14:34:12,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 14:34:12,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 14:34:12,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:12,053 INFO L225 Difference]: With dead ends: 163 [2018-07-25 14:34:12,053 INFO L226 Difference]: Without dead ends: 159 [2018-07-25 14:34:12,054 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 14:34:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-25 14:34:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 91. [2018-07-25 14:34:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-25 14:34:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 295 transitions. [2018-07-25 14:34:12,095 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 295 transitions. Word has length 5 [2018-07-25 14:34:12,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:12,095 INFO L472 AbstractCegarLoop]: Abstraction has 91 states and 295 transitions. [2018-07-25 14:34:12,096 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:34:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2018-07-25 14:34:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:34:12,099 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:12,100 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 14:34:12,101 INFO L415 AbstractCegarLoop]: === Iteration 5 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:12,101 INFO L82 PathProgramCache]: Analyzing trace with hash 45517626, now seen corresponding path program 1 times [2018-07-25 14:34:12,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:12,149 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:12,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 14:34:12,150 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:34:12,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:34:12,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 14:34:12,154 INFO L87 Difference]: Start difference. First operand 91 states and 295 transitions. Second operand 6 states. [2018-07-25 14:34:12,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:12,564 INFO L93 Difference]: Finished difference Result 172 states and 560 transitions. [2018-07-25 14:34:12,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 14:34:12,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 14:34:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:12,570 INFO L225 Difference]: With dead ends: 172 [2018-07-25 14:34:12,570 INFO L226 Difference]: Without dead ends: 168 [2018-07-25 14:34:12,572 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 14:34:12,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-25 14:34:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 98. [2018-07-25 14:34:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-25 14:34:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 323 transitions. [2018-07-25 14:34:12,610 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 323 transitions. Word has length 5 [2018-07-25 14:34:12,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:12,614 INFO L472 AbstractCegarLoop]: Abstraction has 98 states and 323 transitions. [2018-07-25 14:34:12,614 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:34:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 323 transitions. [2018-07-25 14:34:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 14:34:12,616 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:12,616 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 14:34:12,617 INFO L415 AbstractCegarLoop]: === Iteration 6 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:12,618 INFO L82 PathProgramCache]: Analyzing trace with hash 45763099, now seen corresponding path program 1 times [2018-07-25 14:34:12,618 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:12,662 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:12,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 14:34:12,663 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 14:34:12,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 14:34:12,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 14:34:12,668 INFO L87 Difference]: Start difference. First operand 98 states and 323 transitions. Second operand 6 states. [2018-07-25 14:34:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:13,079 INFO L93 Difference]: Finished difference Result 178 states and 585 transitions. [2018-07-25 14:34:13,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-25 14:34:13,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2018-07-25 14:34:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:13,082 INFO L225 Difference]: With dead ends: 178 [2018-07-25 14:34:13,082 INFO L226 Difference]: Without dead ends: 174 [2018-07-25 14:34:13,083 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-07-25 14:34:13,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-25 14:34:13,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 102. [2018-07-25 14:34:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-25 14:34:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 337 transitions. [2018-07-25 14:34:13,126 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 337 transitions. Word has length 5 [2018-07-25 14:34:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:13,126 INFO L472 AbstractCegarLoop]: Abstraction has 102 states and 337 transitions. [2018-07-25 14:34:13,126 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 14:34:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 337 transitions. [2018-07-25 14:34:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:13,129 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:13,129 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:13,130 INFO L415 AbstractCegarLoop]: === Iteration 7 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:13,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687860, now seen corresponding path program 1 times [2018-07-25 14:34:13,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:13,209 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:13,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:13,210 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:13,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:13,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:13,211 INFO L87 Difference]: Start difference. First operand 102 states and 337 transitions. Second operand 7 states. [2018-07-25 14:34:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:14,170 INFO L93 Difference]: Finished difference Result 319 states and 1010 transitions. [2018-07-25 14:34:14,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 14:34:14,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:14,176 INFO L225 Difference]: With dead ends: 319 [2018-07-25 14:34:14,176 INFO L226 Difference]: Without dead ends: 313 [2018-07-25 14:34:14,178 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:34:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-25 14:34:14,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 108. [2018-07-25 14:34:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 14:34:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 366 transitions. [2018-07-25 14:34:14,222 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 366 transitions. Word has length 6 [2018-07-25 14:34:14,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:14,222 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 366 transitions. [2018-07-25 14:34:14,223 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 366 transitions. [2018-07-25 14:34:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:14,225 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:14,225 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:14,226 INFO L415 AbstractCegarLoop]: === Iteration 8 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:14,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1424687863, now seen corresponding path program 1 times [2018-07-25 14:34:14,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:14,291 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:14,291 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:14,291 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:14,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:14,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:14,293 INFO L87 Difference]: Start difference. First operand 108 states and 366 transitions. Second operand 7 states. [2018-07-25 14:34:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:15,211 INFO L93 Difference]: Finished difference Result 307 states and 987 transitions. [2018-07-25 14:34:15,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 14:34:15,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:15,214 INFO L225 Difference]: With dead ends: 307 [2018-07-25 14:34:15,214 INFO L226 Difference]: Without dead ends: 301 [2018-07-25 14:34:15,215 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:34:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-25 14:34:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 108. [2018-07-25 14:34:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-25 14:34:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 364 transitions. [2018-07-25 14:34:15,257 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 364 transitions. Word has length 6 [2018-07-25 14:34:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:15,257 INFO L472 AbstractCegarLoop]: Abstraction has 108 states and 364 transitions. [2018-07-25 14:34:15,257 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 364 transitions. [2018-07-25 14:34:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:15,259 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:15,259 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:15,259 INFO L415 AbstractCegarLoop]: === Iteration 9 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:15,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690216, now seen corresponding path program 1 times [2018-07-25 14:34:15,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:15,307 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:15,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:15,308 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:15,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:15,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:15,309 INFO L87 Difference]: Start difference. First operand 108 states and 364 transitions. Second operand 7 states. [2018-07-25 14:34:16,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:16,081 INFO L93 Difference]: Finished difference Result 322 states and 1043 transitions. [2018-07-25 14:34:16,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 14:34:16,081 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:16,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:16,085 INFO L225 Difference]: With dead ends: 322 [2018-07-25 14:34:16,086 INFO L226 Difference]: Without dead ends: 316 [2018-07-25 14:34:16,087 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:34:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-07-25 14:34:16,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 112. [2018-07-25 14:34:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-25 14:34:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 382 transitions. [2018-07-25 14:34:16,134 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 382 transitions. Word has length 6 [2018-07-25 14:34:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:16,134 INFO L472 AbstractCegarLoop]: Abstraction has 112 states and 382 transitions. [2018-07-25 14:34:16,134 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 382 transitions. [2018-07-25 14:34:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:16,135 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:16,135 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:16,136 INFO L415 AbstractCegarLoop]: === Iteration 10 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:16,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1424690219, now seen corresponding path program 1 times [2018-07-25 14:34:16,136 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:16,186 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:16,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:16,186 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:16,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:16,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:16,187 INFO L87 Difference]: Start difference. First operand 112 states and 382 transitions. Second operand 7 states. [2018-07-25 14:34:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:16,953 INFO L93 Difference]: Finished difference Result 312 states and 1009 transitions. [2018-07-25 14:34:16,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-25 14:34:16,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:16,957 INFO L225 Difference]: With dead ends: 312 [2018-07-25 14:34:16,957 INFO L226 Difference]: Without dead ends: 306 [2018-07-25 14:34:16,958 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:34:16,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-07-25 14:34:17,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 110. [2018-07-25 14:34:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-25 14:34:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 373 transitions. [2018-07-25 14:34:17,004 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 373 transitions. Word has length 6 [2018-07-25 14:34:17,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:17,005 INFO L472 AbstractCegarLoop]: Abstraction has 110 states and 373 transitions. [2018-07-25 14:34:17,005 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 373 transitions. [2018-07-25 14:34:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:17,006 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:17,006 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:17,007 INFO L415 AbstractCegarLoop]: === Iteration 11 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1424276838, now seen corresponding path program 1 times [2018-07-25 14:34:17,007 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:17,047 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:17,047 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:17,048 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:17,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:17,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:17,048 INFO L87 Difference]: Start difference. First operand 110 states and 373 transitions. Second operand 7 states. [2018-07-25 14:34:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:17,513 INFO L93 Difference]: Finished difference Result 221 states and 759 transitions. [2018-07-25 14:34:17,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-25 14:34:17,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:17,517 INFO L225 Difference]: With dead ends: 221 [2018-07-25 14:34:17,517 INFO L226 Difference]: Without dead ends: 217 [2018-07-25 14:34:17,518 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-07-25 14:34:17,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-25 14:34:17,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2018-07-25 14:34:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-25 14:34:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 467 transitions. [2018-07-25 14:34:17,588 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 467 transitions. Word has length 6 [2018-07-25 14:34:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:17,588 INFO L472 AbstractCegarLoop]: Abstraction has 131 states and 467 transitions. [2018-07-25 14:34:17,588 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 467 transitions. [2018-07-25 14:34:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:17,590 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:17,590 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:17,590 INFO L415 AbstractCegarLoop]: === Iteration 12 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:17,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662275, now seen corresponding path program 1 times [2018-07-25 14:34:17,591 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:17,636 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:17,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:17,637 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:17,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:17,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:17,638 INFO L87 Difference]: Start difference. First operand 131 states and 467 transitions. Second operand 7 states. [2018-07-25 14:34:18,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:18,361 INFO L93 Difference]: Finished difference Result 296 states and 1027 transitions. [2018-07-25 14:34:18,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-25 14:34:18,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:18,365 INFO L225 Difference]: With dead ends: 296 [2018-07-25 14:34:18,365 INFO L226 Difference]: Without dead ends: 290 [2018-07-25 14:34:18,366 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-07-25 14:34:18,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-07-25 14:34:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 137. [2018-07-25 14:34:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 14:34:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 492 transitions. [2018-07-25 14:34:18,446 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 492 transitions. Word has length 6 [2018-07-25 14:34:18,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:18,447 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 492 transitions. [2018-07-25 14:34:18,447 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-07-25 14:34:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:18,448 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:18,448 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 14:34:18,448 INFO L415 AbstractCegarLoop]: === Iteration 13 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:18,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1425662278, now seen corresponding path program 1 times [2018-07-25 14:34:18,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:34:18,481 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:34:18,481 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 14:34:18,481 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 14:34:18,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 14:34:18,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-25 14:34:18,482 INFO L87 Difference]: Start difference. First operand 137 states and 492 transitions. Second operand 7 states. [2018-07-25 14:34:19,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:34:19,119 INFO L93 Difference]: Finished difference Result 301 states and 1032 transitions. [2018-07-25 14:34:19,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-25 14:34:19,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-07-25 14:34:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:34:19,123 INFO L225 Difference]: With dead ends: 301 [2018-07-25 14:34:19,123 INFO L226 Difference]: Without dead ends: 295 [2018-07-25 14:34:19,124 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-07-25 14:34:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-25 14:34:19,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 137. [2018-07-25 14:34:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-25 14:34:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 490 transitions. [2018-07-25 14:34:19,214 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 490 transitions. Word has length 6 [2018-07-25 14:34:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:34:19,215 INFO L472 AbstractCegarLoop]: Abstraction has 137 states and 490 transitions. [2018-07-25 14:34:19,215 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 14:34:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 490 transitions. [2018-07-25 14:34:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:34:19,216 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:34:19,216 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:34:19,216 INFO L415 AbstractCegarLoop]: === Iteration 14 === [productErr9ASSERT_VIOLATIONASSERT, productErr13ASSERT_VIOLATIONASSERT, productErr12ASSERT_VIOLATIONASSERT, productErr16ASSERT_VIOLATIONASSERT, productErr17ASSERT_VIOLATIONASSERT, productErr23ASSERT_VIOLATIONASSERT, productErr5ASSERT_VIOLATIONASSERT, productErr14ASSERT_VIOLATIONASSERT, productErr21ASSERT_VIOLATIONASSERT, productErr15ASSERT_VIOLATIONASSERT, productErr25ASSERT_VIOLATIONASSERT, productErr4ASSERT_VIOLATIONASSERT, productErr20ASSERT_VIOLATIONASSERT, productErr18ASSERT_VIOLATIONASSERT, productErr19ASSERT_VIOLATIONASSERT, productErr24ASSERT_VIOLATIONASSERT, productErr10ASSERT_VIOLATIONASSERT, productErr11ASSERT_VIOLATIONASSERT, productErr8ASSERT_VIOLATIONASSERT, productErr7ASSERT_VIOLATIONASSERT, productErr6ASSERT_VIOLATIONASSERT, productErr0ASSERT_VIOLATIONASSERT, productErr26ASSERT_VIOLATIONASSERT, productErr1ASSERT_VIOLATIONASSERT, productErr3ASSERT_VIOLATIONASSERT, productErr22ASSERT_VIOLATIONASSERT, productErr2ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:34:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1426078982, now seen corresponding path program 1 times [2018-07-25 14:34:19,217 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-25 14:38:32,202 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:38:32,209 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:38:32,210 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:38:32 BoogieIcfgContainer [2018-07-25 14:38:32,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:38:32,211 INFO L168 Benchmark]: Toolchain (without parser) took 263157.89 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -449.8 MB). Free memory was 1.4 GB in the beginning and 988.2 MB in the end (delta: 458.1 MB). Peak memory consumption was 132.2 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:32,213 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:38:32,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:38:32,214 INFO L168 Benchmark]: Boogie Preprocessor took 75.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:38:32,215 INFO L168 Benchmark]: RCFGBuilder took 616.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:32,216 INFO L168 Benchmark]: TraceAbstraction took 262400.72 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -449.8 MB). Free memory was 1.4 GB in the beginning and 988.2 MB in the end (delta: 437.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:38:32,220 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 616.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262400.72 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -449.8 MB). Free memory was 1.4 GB in the beginning and 988.2 MB in the end (delta: 437.0 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 100 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 100 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 100 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 100 known predicates. - TimeoutResultAtElement [Line: 604]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 604). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 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 100 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 27 error locations. TIMEOUT Result, 262.3s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2786 SDtfs, 2539 SDslu, 3480 SDs, 0 SdLazy, 13329 SolverSat, 1044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 1552 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s 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-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-38-32-245.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out3.mover.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-38-32-245.csv Completed graceful shutdown