java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 16:27:06,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 16:27:06,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 16:27:06,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 16:27:06,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 16:27:06,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 16:27:06,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 16:27:06,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 16:27:06,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 16:27:06,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 16:27:06,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 16:27:06,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 16:27:06,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 16:27:06,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 16:27:06,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 16:27:06,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 16:27:06,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 16:27:06,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 16:27:06,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 16:27:06,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 16:27:06,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 16:27:06,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 16:27:06,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 16:27:06,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 16:27:06,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 16:27:06,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 16:27:06,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 16:27:06,487 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 16:27:06,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 16:27:06,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 16:27:06,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 16:27:06,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 16:27:06,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 16:27:06,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 16:27:06,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 16:27:06,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 16:27:06,494 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 16:27:06,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 16:27:06,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 16:27:06,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 16:27:06,527 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 16:27:06,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 16:27:06,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 16:27:06,529 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 16:27:06,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 16:27:06,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 16:27:06,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 16:27:06,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 16:27:06,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 16:27:06,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 16:27:06,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 16:27:06,531 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 16:27:06,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 16:27:06,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 16:27:06,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 16:27:06,532 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 16:27:06,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 16:27:06,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 16:27:06,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 16:27:06,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 16:27:06,534 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 16:27:06,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 16:27:06,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 16:27:06,535 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 16:27:06,535 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 16:27:06,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 16:27:06,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 16:27:06,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 16:27:06,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 16:27:06,622 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 16:27:06,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-24 16:27:06,692 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ae1a3a295/ff79268b5e3144f58d5584abcc676020/FLAG30ce96768 [2018-10-24 16:27:07,526 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 16:27:07,527 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-10-24 16:27:07,572 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ae1a3a295/ff79268b5e3144f58d5584abcc676020/FLAG30ce96768 [2018-10-24 16:27:07,592 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ae1a3a295/ff79268b5e3144f58d5584abcc676020 [2018-10-24 16:27:07,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 16:27:07,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 16:27:07,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 16:27:07,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 16:27:07,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 16:27:07,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:27:07" (1/1) ... [2018-10-24 16:27:07,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa98528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:07, skipping insertion in model container [2018-10-24 16:27:07,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:27:07" (1/1) ... [2018-10-24 16:27:07,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 16:27:07,826 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 16:27:09,325 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:27:09,330 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 16:27:10,077 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 16:27:10,117 INFO L193 MainTranslator]: Completed translation [2018-10-24 16:27:10,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10 WrapperNode [2018-10-24 16:27:10,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 16:27:10,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 16:27:10,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 16:27:10,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 16:27:10,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:10,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:10,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 16:27:10,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 16:27:10,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 16:27:10,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 16:27:10,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:10,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:10,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:10,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:11,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:11,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:11,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... [2018-10-24 16:27:11,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 16:27:11,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 16:27:11,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 16:27:11,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 16:27:11,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:27:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 16:27:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 16:27:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:27:25,186 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:27:25,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:27:25 BoogieIcfgContainer [2018-10-24 16:27:25,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:27:25,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:27:25,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:27:25,192 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:27:25,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:27:07" (1/3) ... [2018-10-24 16:27:25,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589e3dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:27:25, skipping insertion in model container [2018-10-24 16:27:25,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:27:10" (2/3) ... [2018-10-24 16:27:25,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589e3dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:27:25, skipping insertion in model container [2018-10-24 16:27:25,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:27:25" (3/3) ... [2018-10-24 16:27:25,196 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-10-24 16:27:25,206 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:27:25,217 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:27:25,234 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:27:25,280 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:27:25,281 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:27:25,281 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:27:25,281 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:27:25,281 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:27:25,281 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:27:25,282 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:27:25,282 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:27:25,282 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:27:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states. [2018-10-24 16:27:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-24 16:27:25,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:27:25,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:27:25,334 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:27:25,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:27:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1515441142, now seen corresponding path program 1 times [2018-10-24 16:27:25,342 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:27:25,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:27:25,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:25,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:25,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:26,135 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-10-24 16:27:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:27:26,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:27:26,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:27:26,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:27:26,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:27:26,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:27:26,539 INFO L87 Difference]: Start difference. First operand 1099 states. Second operand 5 states. [2018-10-24 16:27:26,825 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-24 16:27:45,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:27:45,325 INFO L93 Difference]: Finished difference Result 4624 states and 8784 transitions. [2018-10-24 16:27:45,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 16:27:45,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2018-10-24 16:27:45,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:27:45,380 INFO L225 Difference]: With dead ends: 4624 [2018-10-24 16:27:45,380 INFO L226 Difference]: Without dead ends: 3515 [2018-10-24 16:27:45,388 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:27:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2018-10-24 16:27:45,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 3514. [2018-10-24 16:27:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3514 states. [2018-10-24 16:27:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 5233 transitions. [2018-10-24 16:27:45,578 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 5233 transitions. Word has length 62 [2018-10-24 16:27:45,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:27:45,579 INFO L481 AbstractCegarLoop]: Abstraction has 3514 states and 5233 transitions. [2018-10-24 16:27:45,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:27:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 5233 transitions. [2018-10-24 16:27:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-24 16:27:45,590 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:27:45,590 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, 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] [2018-10-24 16:27:45,591 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:27:45,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:27:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash 342361045, now seen corresponding path program 1 times [2018-10-24 16:27:45,592 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:27:45,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:27:45,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:45,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:45,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:27:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-24 16:27:46,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:27:46,100 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:27:46,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:27:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:27:46,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:27:46,590 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-24 16:27:46,791 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-24 16:27:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 16:27:46,976 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 16:27:46,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2018-10-24 16:27:46,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 16:27:46,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 16:27:46,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:27:46,978 INFO L87 Difference]: Start difference. First operand 3514 states and 5233 transitions. Second operand 7 states. [2018-10-24 16:28:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:14,438 INFO L93 Difference]: Finished difference Result 18122 states and 30330 transitions. [2018-10-24 16:28:14,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-24 16:28:14,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2018-10-24 16:28:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:14,513 INFO L225 Difference]: With dead ends: 18122 [2018-10-24 16:28:14,513 INFO L226 Difference]: Without dead ends: 15398 [2018-10-24 16:28:14,521 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-10-24 16:28:14,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15398 states. [2018-10-24 16:28:14,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15398 to 13800. [2018-10-24 16:28:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13800 states. [2018-10-24 16:28:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13800 states to 13800 states and 18814 transitions. [2018-10-24 16:28:14,803 INFO L78 Accepts]: Start accepts. Automaton has 13800 states and 18814 transitions. Word has length 188 [2018-10-24 16:28:14,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:14,804 INFO L481 AbstractCegarLoop]: Abstraction has 13800 states and 18814 transitions. [2018-10-24 16:28:14,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 16:28:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 13800 states and 18814 transitions. [2018-10-24 16:28:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-24 16:28:14,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:14,817 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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] [2018-10-24 16:28:14,817 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:14,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:14,818 INFO L82 PathProgramCache]: Analyzing trace with hash 859592744, now seen corresponding path program 1 times [2018-10-24 16:28:14,818 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:14,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:14,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:14,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:14,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 66 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-24 16:28:15,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:28:15,531 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:28:15,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:15,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:28:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-24 16:28:15,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:28:15,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2018-10-24 16:28:15,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:28:15,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:28:15,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:28:15,834 INFO L87 Difference]: Start difference. First operand 13800 states and 18814 transitions. Second operand 5 states. [2018-10-24 16:28:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:28:35,377 INFO L93 Difference]: Finished difference Result 73393 states and 106763 transitions. [2018-10-24 16:28:35,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 16:28:35,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 320 [2018-10-24 16:28:35,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:28:35,530 INFO L225 Difference]: With dead ends: 73393 [2018-10-24 16:28:35,530 INFO L226 Difference]: Without dead ends: 57223 [2018-10-24 16:28:35,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 16:28:35,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57223 states. [2018-10-24 16:28:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57223 to 53268. [2018-10-24 16:28:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53268 states. [2018-10-24 16:28:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53268 states to 53268 states and 66471 transitions. [2018-10-24 16:28:36,635 INFO L78 Accepts]: Start accepts. Automaton has 53268 states and 66471 transitions. Word has length 320 [2018-10-24 16:28:36,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:28:36,636 INFO L481 AbstractCegarLoop]: Abstraction has 53268 states and 66471 transitions. [2018-10-24 16:28:36,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 16:28:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 53268 states and 66471 transitions. [2018-10-24 16:28:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2018-10-24 16:28:36,664 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:28:36,665 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, 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, 3, 3, 3, 3, 3, 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] [2018-10-24 16:28:36,665 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:28:36,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:28:36,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1736701088, now seen corresponding path program 1 times [2018-10-24 16:28:36,666 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:28:36,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:28:36,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:36,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:36,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:28:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 506 proven. 92 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-10-24 16:28:37,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 16:28:37,627 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 16:28:37,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:28:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:28:37,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 16:28:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2018-10-24 16:28:38,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 16:28:38,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-10-24 16:28:38,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 16:28:38,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 16:28:38,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 16:28:38,069 INFO L87 Difference]: Start difference. First operand 53268 states and 66471 transitions. Second operand 6 states. [2018-10-24 16:29:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:08,557 INFO L93 Difference]: Finished difference Result 225043 states and 279269 transitions. [2018-10-24 16:29:08,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 16:29:08,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 485 [2018-10-24 16:29:08,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:08,790 INFO L225 Difference]: With dead ends: 225043 [2018-10-24 16:29:08,790 INFO L226 Difference]: Without dead ends: 152760 [2018-10-24 16:29:08,879 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-10-24 16:29:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152760 states. [2018-10-24 16:29:10,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152760 to 143142. [2018-10-24 16:29:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143142 states. [2018-10-24 16:29:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143142 states to 143142 states and 169152 transitions. [2018-10-24 16:29:10,574 INFO L78 Accepts]: Start accepts. Automaton has 143142 states and 169152 transitions. Word has length 485 [2018-10-24 16:29:10,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:10,574 INFO L481 AbstractCegarLoop]: Abstraction has 143142 states and 169152 transitions. [2018-10-24 16:29:10,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 16:29:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 143142 states and 169152 transitions. [2018-10-24 16:29:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-10-24 16:29:10,621 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:10,622 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:10,622 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:10,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:10,623 INFO L82 PathProgramCache]: Analyzing trace with hash 688285591, now seen corresponding path program 1 times [2018-10-24 16:29:10,623 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:10,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:10,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:10,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:10,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 679 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-10-24 16:29:11,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:11,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:11,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:11,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:11,223 INFO L87 Difference]: Start difference. First operand 143142 states and 169152 transitions. Second operand 4 states. [2018-10-24 16:29:22,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:22,076 INFO L93 Difference]: Finished difference Result 359598 states and 426237 transitions. [2018-10-24 16:29:22,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:22,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 592 [2018-10-24 16:29:22,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:22,504 INFO L225 Difference]: With dead ends: 359598 [2018-10-24 16:29:22,505 INFO L226 Difference]: Without dead ends: 217246 [2018-10-24 16:29:22,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:22,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217246 states. [2018-10-24 16:29:25,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217246 to 201431. [2018-10-24 16:29:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201431 states. [2018-10-24 16:29:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201431 states to 201431 states and 231837 transitions. [2018-10-24 16:29:25,756 INFO L78 Accepts]: Start accepts. Automaton has 201431 states and 231837 transitions. Word has length 592 [2018-10-24 16:29:25,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:25,756 INFO L481 AbstractCegarLoop]: Abstraction has 201431 states and 231837 transitions. [2018-10-24 16:29:25,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 201431 states and 231837 transitions. [2018-10-24 16:29:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2018-10-24 16:29:25,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:25,817 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:25,817 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:25,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:25,817 INFO L82 PathProgramCache]: Analyzing trace with hash -350476805, now seen corresponding path program 1 times [2018-10-24 16:29:25,818 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:25,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:25,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:25,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:25,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 846 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2018-10-24 16:29:26,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:26,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:26,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:26,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:26,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:26,460 INFO L87 Difference]: Start difference. First operand 201431 states and 231837 transitions. Second operand 4 states. [2018-10-24 16:29:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:29:44,639 INFO L93 Difference]: Finished difference Result 478790 states and 551022 transitions. [2018-10-24 16:29:44,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:29:44,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 736 [2018-10-24 16:29:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:29:45,030 INFO L225 Difference]: With dead ends: 478790 [2018-10-24 16:29:45,030 INFO L226 Difference]: Without dead ends: 278149 [2018-10-24 16:29:45,155 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278149 states. [2018-10-24 16:29:48,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278149 to 275612. [2018-10-24 16:29:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275612 states. [2018-10-24 16:29:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275612 states to 275612 states and 314861 transitions. [2018-10-24 16:29:48,925 INFO L78 Accepts]: Start accepts. Automaton has 275612 states and 314861 transitions. Word has length 736 [2018-10-24 16:29:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:29:48,925 INFO L481 AbstractCegarLoop]: Abstraction has 275612 states and 314861 transitions. [2018-10-24 16:29:48,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:29:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 275612 states and 314861 transitions. [2018-10-24 16:29:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2018-10-24 16:29:48,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:29:48,957 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:29:48,957 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:29:48,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:29:48,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1140515811, now seen corresponding path program 1 times [2018-10-24 16:29:48,958 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:29:48,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:29:48,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:48,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:29:48,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:29:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:29:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 913 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-10-24 16:29:51,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:29:51,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:29:51,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:29:51,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:29:51,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:29:51,427 INFO L87 Difference]: Start difference. First operand 275612 states and 314861 transitions. Second operand 4 states. [2018-10-24 16:30:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:30:03,324 INFO L93 Difference]: Finished difference Result 547300 states and 625609 transitions. [2018-10-24 16:30:03,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:30:03,324 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 748 [2018-10-24 16:30:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:30:03,684 INFO L225 Difference]: With dead ends: 547300 [2018-10-24 16:30:03,684 INFO L226 Difference]: Without dead ends: 272478 [2018-10-24 16:30:03,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:30:03,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272478 states. [2018-10-24 16:30:13,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272478 to 262210. [2018-10-24 16:30:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262210 states. [2018-10-24 16:30:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262210 states to 262210 states and 290906 transitions. [2018-10-24 16:30:13,731 INFO L78 Accepts]: Start accepts. Automaton has 262210 states and 290906 transitions. Word has length 748 [2018-10-24 16:30:13,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:30:13,731 INFO L481 AbstractCegarLoop]: Abstraction has 262210 states and 290906 transitions. [2018-10-24 16:30:13,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:30:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 262210 states and 290906 transitions. [2018-10-24 16:30:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2018-10-24 16:30:13,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:30:13,775 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2018-10-24 16:30:13,775 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:30:13,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:30:13,775 INFO L82 PathProgramCache]: Analyzing trace with hash -900508273, now seen corresponding path program 1 times [2018-10-24 16:30:13,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:30:13,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:30:13,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:13,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:30:13,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:30:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 1301 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2018-10-24 16:30:16,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:30:16,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:30:16,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 16:30:16,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 16:30:16,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:30:16,245 INFO L87 Difference]: Start difference. First operand 262210 states and 290906 transitions. Second operand 4 states. [2018-10-24 16:30:26,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:30:26,952 INFO L93 Difference]: Finished difference Result 511778 states and 568710 transitions. [2018-10-24 16:30:26,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 16:30:26,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 853 [2018-10-24 16:30:26,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:30:27,333 INFO L225 Difference]: With dead ends: 511778 [2018-10-24 16:30:27,334 INFO L226 Difference]: Without dead ends: 250358 [2018-10-24 16:30:27,470 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 5 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 16:30:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250358 states. [2018-10-24 16:30:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250358 to 210940. [2018-10-24 16:30:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210940 states. [2018-10-24 16:30:30,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210940 states to 210940 states and 226953 transitions. [2018-10-24 16:30:30,684 INFO L78 Accepts]: Start accepts. Automaton has 210940 states and 226953 transitions. Word has length 853 [2018-10-24 16:30:30,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:30:30,685 INFO L481 AbstractCegarLoop]: Abstraction has 210940 states and 226953 transitions. [2018-10-24 16:30:30,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 16:30:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 210940 states and 226953 transitions. [2018-10-24 16:30:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-10-24 16:30:30,775 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:30:30,776 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:30:30,776 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:30:30,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:30:30,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1199810611, now seen corresponding path program 1 times [2018-10-24 16:30:30,777 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:30:30,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:30:30,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:30,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:30:30,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 16:30:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 1473 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-10-24 16:30:32,990 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:30:32,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 16:30:32,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 16:30:32,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 16:30:32,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:30:32,992 INFO L87 Difference]: Start difference. First operand 210940 states and 226953 transitions. Second operand 3 states. [2018-10-24 16:30:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 16:30:42,353 INFO L93 Difference]: Finished difference Result 462925 states and 497842 transitions. [2018-10-24 16:30:42,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 16:30:42,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1255 [2018-10-24 16:30:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 16:30:42,699 INFO L225 Difference]: With dead ends: 462925 [2018-10-24 16:30:42,699 INFO L226 Difference]: Without dead ends: 252775 [2018-10-24 16:30:42,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 16:30:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252775 states. [2018-10-24 16:30:46,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252775 to 244045. [2018-10-24 16:30:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244045 states. [2018-10-24 16:30:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244045 states to 244045 states and 261417 transitions. [2018-10-24 16:30:46,300 INFO L78 Accepts]: Start accepts. Automaton has 244045 states and 261417 transitions. Word has length 1255 [2018-10-24 16:30:46,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 16:30:46,301 INFO L481 AbstractCegarLoop]: Abstraction has 244045 states and 261417 transitions. [2018-10-24 16:30:46,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 16:30:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 244045 states and 261417 transitions. [2018-10-24 16:30:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1289 [2018-10-24 16:30:46,388 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:30:46,389 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 16:30:46,389 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:30:46,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:30:46,390 INFO L82 PathProgramCache]: Analyzing trace with hash 616737761, now seen corresponding path program 1 times [2018-10-24 16:30:46,390 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:30:46,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:30:46,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:46,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:30:46,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:30:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-24 16:30:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2168 backedges. 1529 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-24 16:30:52,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 16:30:52,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 16:30:52,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 16:30:52,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 16:30:52,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-10-24 16:30:52,571 INFO L87 Difference]: Start difference. First operand 244045 states and 261417 transitions. Second operand 5 states. [2018-10-24 16:30:52,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 16:30:52,572 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 16:30:52,577 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 16:30:52,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:30:52 BoogieIcfgContainer [2018-10-24 16:30:52,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 16:30:52,578 INFO L168 Benchmark]: Toolchain (without parser) took 224972.11 ms. Allocated memory was 1.5 GB in the beginning and 4.8 GB in the end (delta: 3.3 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,579 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-24 16:30:52,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2510.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 742.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 777.0 MB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -976.5 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,582 INFO L168 Benchmark]: Boogie Preprocessor took 464.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,583 INFO L168 Benchmark]: RCFGBuilder took 13860.85 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 243.3 MB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 604.6 MB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,584 INFO L168 Benchmark]: TraceAbstraction took 207388.65 ms. Allocated memory was 2.5 GB in the beginning and 4.8 GB in the end (delta: 2.3 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 16:30:52,590 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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. * CACSL2BoogieTranslator took 2510.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 742.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 777.0 MB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -976.5 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 464.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13860.85 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 243.3 MB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 604.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207388.65 ms. Allocated memory was 2.5 GB in the beginning and 4.8 GB in the end (delta: 2.3 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (244045states) and FLOYD_HOARE automaton (currently 2 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1099 locations, 1 error locations. TIMEOUT Result, 207.3s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 160.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5094 SDtfs, 35556 SDslu, 2549 SDs, 0 SdLazy, 56356 SolverSat, 23788 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 126.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1052 GetRequests, 1006 SyntacticMatches, 9 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275612occurred 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: 26.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 91940 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 7520 NumberOfCodeBlocks, 7520 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 7507 ConstructedInterpolants, 0 QuantifiedInterpolants, 10532564 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1318 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 11274/11455 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown