java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 21:47:25,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:47:25,025 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:47:25,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:47:25,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:47:25,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:47:25,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:47:25,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:47:25,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:47:25,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:47:25,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:47:25,052 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:47:25,053 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:47:25,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:47:25,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:47:25,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:47:25,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:47:25,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:47:25,060 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:47:25,062 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:47:25,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:47:25,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:47:25,069 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 21:47:25,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 21:47:25,070 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 21:47:25,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 21:47:25,072 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 21:47:25,075 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 21:47:25,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 21:47:25,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 21:47:25,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 21:47:25,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-06 21:47:25,083 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 21:47:25,098 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:47:25,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:47:25,099 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:47:25,099 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:47:25,100 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:47:25,100 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:47:25,101 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:47:25,101 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:47:25,101 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:47:25,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:47:25,101 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:47:25,102 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:47:25,102 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:47:25,102 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:47:25,102 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:47:25,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:47:25,103 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:47:25,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:47:25,103 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:47:25,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:47:25,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:47:25,104 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:47:25,104 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:47:25,104 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:47:25,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:47:25,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:47:25,105 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:47:25,105 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:47:25,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:47:25,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:47:25,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:47:25,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:47:25,179 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:47:25,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-11-06 21:47:25,245 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe46284a2/0910a033009842f1a4c43f997aef23d9/FLAG4ff6b5c94 [2018-11-06 21:47:25,937 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:47:25,938 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label48_true-unreach-call.c [2018-11-06 21:47:25,960 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe46284a2/0910a033009842f1a4c43f997aef23d9/FLAG4ff6b5c94 [2018-11-06 21:47:25,977 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe46284a2/0910a033009842f1a4c43f997aef23d9 [2018-11-06 21:47:25,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:47:25,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:47:25,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:47:25,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:47:25,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:47:25,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:47:25" (1/1) ... [2018-11-06 21:47:26,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cedeeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:25, skipping insertion in model container [2018-11-06 21:47:26,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:47:25" (1/1) ... [2018-11-06 21:47:26,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:47:26,122 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:47:27,195 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:47:27,200 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:47:27,597 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:47:27,624 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:47:27,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27 WrapperNode [2018-11-06 21:47:27,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:47:27,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:47:27,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:47:27,626 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:47:27,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:27,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:47:28,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:47:28,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:47:28,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:47:28,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (1/1) ... [2018-11-06 21:47:28,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:47:28,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:47:28,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:47:28,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:47:28,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:47:28,607 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:47:28,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:47:28,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:47:37,621 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:47:37,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:47:37 BoogieIcfgContainer [2018-11-06 21:47:37,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:47:37,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:47:37,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:47:37,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:47:37,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:47:25" (1/3) ... [2018-11-06 21:47:37,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553e7d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:47:37, skipping insertion in model container [2018-11-06 21:47:37,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:47:27" (2/3) ... [2018-11-06 21:47:37,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@553e7d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:47:37, skipping insertion in model container [2018-11-06 21:47:37,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:47:37" (3/3) ... [2018-11-06 21:47:37,631 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label48_true-unreach-call.c [2018-11-06 21:47:37,642 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:47:37,653 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:47:37,672 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:47:37,718 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:47:37,719 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:47:37,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:47:37,720 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:47:37,720 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:47:37,720 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:47:37,720 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:47:37,720 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:47:37,720 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:47:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-11-06 21:47:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-06 21:47:37,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:47:37,771 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:47:37,774 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:47:37,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:47:37,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1934902334, now seen corresponding path program 1 times [2018-11-06 21:47:37,783 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:47:37,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:47:37,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:37,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:47:37,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:47:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:47:38,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:47:38,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:47:38,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:47:38,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:47:38,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:47:38,297 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-11-06 21:47:47,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:47:47,028 INFO L93 Difference]: Finished difference Result 2102 states and 3914 transitions. [2018-11-06 21:47:47,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:47:47,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-11-06 21:47:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:47:47,070 INFO L225 Difference]: With dead ends: 2102 [2018-11-06 21:47:47,070 INFO L226 Difference]: Without dead ends: 1504 [2018-11-06 21:47:47,077 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:47:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-11-06 21:47:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1491. [2018-11-06 21:47:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-11-06 21:47:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2416 transitions. [2018-11-06 21:47:47,207 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2416 transitions. Word has length 44 [2018-11-06 21:47:47,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:47:47,207 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 2416 transitions. [2018-11-06 21:47:47,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:47:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2416 transitions. [2018-11-06 21:47:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-06 21:47:47,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:47:47,213 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:47:47,214 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:47:47,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:47:47,214 INFO L82 PathProgramCache]: Analyzing trace with hash -168526854, now seen corresponding path program 1 times [2018-11-06 21:47:47,214 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:47:47,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:47:47,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:47,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:47:47,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:47:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:47:47,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:47:47,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:47:47,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:47:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:47:47,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:47:47,440 INFO L87 Difference]: Start difference. First operand 1491 states and 2416 transitions. Second operand 4 states. [2018-11-06 21:47:55,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:47:55,517 INFO L93 Difference]: Finished difference Result 4268 states and 6993 transitions. [2018-11-06 21:47:55,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 21:47:55,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-11-06 21:47:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:47:55,532 INFO L225 Difference]: With dead ends: 4268 [2018-11-06 21:47:55,532 INFO L226 Difference]: Without dead ends: 2779 [2018-11-06 21:47:55,535 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:47:55,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2018-11-06 21:47:55,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2779. [2018-11-06 21:47:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2018-11-06 21:47:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3841 transitions. [2018-11-06 21:47:55,590 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3841 transitions. Word has length 112 [2018-11-06 21:47:55,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:47:55,591 INFO L480 AbstractCegarLoop]: Abstraction has 2779 states and 3841 transitions. [2018-11-06 21:47:55,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:47:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3841 transitions. [2018-11-06 21:47:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-06 21:47:55,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:47:55,597 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:47:55,597 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:47:55,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:47:55,598 INFO L82 PathProgramCache]: Analyzing trace with hash -72535569, now seen corresponding path program 1 times [2018-11-06 21:47:55,598 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:47:55,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:47:55,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:55,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:47:55,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:47:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:47:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:47:55,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:47:55,897 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:47:55,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:47:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:47:55,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:47:56,494 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 23 [2018-11-06 21:47:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:47:56,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:47:56,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-11-06 21:47:56,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-06 21:47:56,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-06 21:47:56,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-06 21:47:56,681 INFO L87 Difference]: Start difference. First operand 2779 states and 3841 transitions. Second operand 7 states. [2018-11-06 21:49:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:49:15,864 INFO L93 Difference]: Finished difference Result 26177 states and 36342 transitions. [2018-11-06 21:49:15,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-06 21:49:15,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2018-11-06 21:49:15,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:49:15,927 INFO L225 Difference]: With dead ends: 26177 [2018-11-06 21:49:15,928 INFO L226 Difference]: Without dead ends: 14289 [2018-11-06 21:49:15,942 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-06 21:49:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14289 states. [2018-11-06 21:49:16,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14289 to 14245. [2018-11-06 21:49:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14245 states. [2018-11-06 21:49:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 16563 transitions. [2018-11-06 21:49:16,204 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 16563 transitions. Word has length 115 [2018-11-06 21:49:16,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:49:16,204 INFO L480 AbstractCegarLoop]: Abstraction has 14245 states and 16563 transitions. [2018-11-06 21:49:16,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-06 21:49:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 16563 transitions. [2018-11-06 21:49:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-06 21:49:16,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:49:16,218 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:49:16,219 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:49:16,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:49:16,220 INFO L82 PathProgramCache]: Analyzing trace with hash 497888306, now seen corresponding path program 1 times [2018-11-06 21:49:16,220 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:49:16,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:49:16,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:49:16,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:49:16,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:49:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:49:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 274 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-06 21:49:16,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:49:16,722 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:49:16,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:49:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:49:16,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:49:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-06 21:49:16,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:49:16,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-06 21:49:16,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:49:16,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:49:16,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:49:16,935 INFO L87 Difference]: Start difference. First operand 14245 states and 16563 transitions. Second operand 5 states. [2018-11-06 21:49:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:49:21,722 INFO L93 Difference]: Finished difference Result 36154 states and 42365 transitions. [2018-11-06 21:49:21,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:49:21,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 299 [2018-11-06 21:49:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:49:21,779 INFO L225 Difference]: With dead ends: 36154 [2018-11-06 21:49:21,779 INFO L226 Difference]: Without dead ends: 22338 [2018-11-06 21:49:21,792 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:49:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22338 states. [2018-11-06 21:49:22,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22338 to 21060. [2018-11-06 21:49:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21060 states. [2018-11-06 21:49:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21060 states to 21060 states and 23813 transitions. [2018-11-06 21:49:22,126 INFO L78 Accepts]: Start accepts. Automaton has 21060 states and 23813 transitions. Word has length 299 [2018-11-06 21:49:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:49:22,127 INFO L480 AbstractCegarLoop]: Abstraction has 21060 states and 23813 transitions. [2018-11-06 21:49:22,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 21:49:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21060 states and 23813 transitions. [2018-11-06 21:49:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-11-06 21:49:22,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:49:22,141 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:49:22,142 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:49:22,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:49:22,142 INFO L82 PathProgramCache]: Analyzing trace with hash 773733413, now seen corresponding path program 1 times [2018-11-06 21:49:22,142 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:49:22,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:49:22,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:49:22,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:49:22,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:49:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:49:22,748 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-06 21:49:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 270 proven. 83 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-06 21:49:22,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:49:22,919 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:49:22,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:49:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:49:23,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:49:23,436 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2018-11-06 21:49:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 42 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:49:23,756 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:49:23,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2018-11-06 21:49:23,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 21:49:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 21:49:23,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:49:23,758 INFO L87 Difference]: Start difference. First operand 21060 states and 23813 transitions. Second operand 9 states. [2018-11-06 21:50:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:50:16,776 INFO L93 Difference]: Finished difference Result 89960 states and 102680 transitions. [2018-11-06 21:50:16,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-06 21:50:16,777 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 407 [2018-11-06 21:50:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:50:16,889 INFO L225 Difference]: With dead ends: 89960 [2018-11-06 21:50:16,889 INFO L226 Difference]: Without dead ends: 65905 [2018-11-06 21:50:16,928 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-11-06 21:50:16,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65905 states. [2018-11-06 21:50:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65905 to 57736. [2018-11-06 21:50:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57736 states. [2018-11-06 21:50:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57736 states to 57736 states and 63329 transitions. [2018-11-06 21:50:17,796 INFO L78 Accepts]: Start accepts. Automaton has 57736 states and 63329 transitions. Word has length 407 [2018-11-06 21:50:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:50:17,796 INFO L480 AbstractCegarLoop]: Abstraction has 57736 states and 63329 transitions. [2018-11-06 21:50:17,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-06 21:50:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 57736 states and 63329 transitions. [2018-11-06 21:50:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2018-11-06 21:50:17,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:50:17,816 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:50:17,816 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:50:17,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:50:17,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2056756518, now seen corresponding path program 1 times [2018-11-06 21:50:17,817 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:50:17,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:50:17,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:50:17,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:50:17,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:50:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:50:18,501 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-11-06 21:50:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 272 proven. 83 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-06 21:50:19,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:50:19,057 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:50:19,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:50:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:50:19,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:50:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 272 proven. 83 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-06 21:50:19,623 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:50:19,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-11-06 21:50:19,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 21:50:19,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 21:50:19,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:50:19,625 INFO L87 Difference]: Start difference. First operand 57736 states and 63329 transitions. Second operand 9 states. [2018-11-06 21:50:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:50:27,923 INFO L93 Difference]: Finished difference Result 118032 states and 129348 transitions. [2018-11-06 21:50:27,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:50:27,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 459 [2018-11-06 21:50:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:50:28,055 INFO L225 Difference]: With dead ends: 118032 [2018-11-06 21:50:28,055 INFO L226 Difference]: Without dead ends: 61576 [2018-11-06 21:50:28,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-06 21:50:28,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61576 states. [2018-11-06 21:50:29,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61576 to 61570. [2018-11-06 21:50:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61570 states. [2018-11-06 21:50:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61570 states to 61570 states and 67252 transitions. [2018-11-06 21:50:29,133 INFO L78 Accepts]: Start accepts. Automaton has 61570 states and 67252 transitions. Word has length 459 [2018-11-06 21:50:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:50:29,133 INFO L480 AbstractCegarLoop]: Abstraction has 61570 states and 67252 transitions. [2018-11-06 21:50:29,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-06 21:50:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61570 states and 67252 transitions. [2018-11-06 21:50:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2018-11-06 21:50:29,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:50:29,152 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:50:29,153 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:50:29,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:50:29,153 INFO L82 PathProgramCache]: Analyzing trace with hash -157172698, now seen corresponding path program 1 times [2018-11-06 21:50:29,153 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:50:29,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:50:29,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:50:29,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:50:29,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:50:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:50:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 42 proven. 555 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-06 21:50:29,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:50:29,926 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:50:29,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:50:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:50:30,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:50:30,499 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 16 [2018-11-06 21:50:45,831 WARN L179 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 1987 DAG size of output: 33 [2018-11-06 21:50:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-06 21:50:46,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:50:46,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2018-11-06 21:50:46,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 21:50:46,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 21:50:46,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-11-06 21:50:46,900 INFO L87 Difference]: Start difference. First operand 61570 states and 67252 transitions. Second operand 9 states. Received shutdown request... [2018-11-06 21:51:38,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-06 21:51:38,885 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 21:51:38,890 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 21:51:38,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:51:38 BoogieIcfgContainer [2018-11-06 21:51:38,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:51:38,892 INFO L168 Benchmark]: Toolchain (without parser) took 252902.46 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -295.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,893 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-06 21:51:38,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1633.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 592.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -914.1 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,895 INFO L168 Benchmark]: Boogie Preprocessor took 324.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,896 INFO L168 Benchmark]: RCFGBuilder took 9078.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 471.2 MB). Peak memory consumption was 471.2 MB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,897 INFO L168 Benchmark]: TraceAbstraction took 241268.51 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: -33.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-06 21:51:38,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1633.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 592.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -914.1 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 324.59 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9078.69 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 471.2 MB). Peak memory consumption was 471.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241268.51 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: -33.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 137]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 137). Cancelled while BasicCegarLoop was constructing difference of abstraction (61570states) and FLOYD_HOARE automaton (currently 17 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (26273 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 241.1s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 214.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2006 SDtfs, 22030 SDslu, 2383 SDs, 0 SdLazy, 43671 SolverSat, 6995 SolverUnsat, 87 SolverUnknown, 0 SolverNotchecked, 200.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1831 GetRequests, 1774 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61570occurred 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: 2.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 9510 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 3700 NumberOfCodeBlocks, 3700 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3688 ConstructedInterpolants, 308 QuantifiedInterpolants, 9588366 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2322 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 2485/3749 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown