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/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:28:15,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:28:15,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:28:15,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:28:15,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:28:15,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:28:15,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:28:15,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:28:15,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:28:15,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:28:15,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:28:15,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:28:15,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:28:15,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:28:15,222 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:28:15,223 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:28:15,223 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:28:15,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:28:15,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:28:15,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:28:15,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:28:15,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:28:15,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:28:15,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:28:15,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:28:15,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:28:15,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:28:15,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:28:15,248 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:28:15,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:28:15,249 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:28:15,250 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:28:15,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:28:15,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:28:15,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:28:15,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:28:15,254 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:28:15,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:28:15,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:28:15,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:28:15,284 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:28:15,284 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:28:15,284 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:28:15,285 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:28:15,285 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:28:15,285 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:28:15,285 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:28:15,285 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:28:15,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:28:15,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:28:15,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:28:15,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:28:15,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:28:15,288 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:28:15,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:28:15,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:28:15,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:28:15,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:28:15,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:28:15,289 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:28:15,289 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:28:15,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:28:15,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:28:15,290 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:28:15,290 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:28:15,290 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:28:15,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:28:15,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:28:15,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:28:15,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:28:15,363 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:28:15,364 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-27 00:28:15,425 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/932884b1b/5cafca0d14c74b2786d90602de95b471/FLAG4cb2303da [2018-10-27 00:28:16,374 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:28:16,375 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label19_false-unreach-call.c [2018-10-27 00:28:16,431 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/932884b1b/5cafca0d14c74b2786d90602de95b471/FLAG4cb2303da [2018-10-27 00:28:16,449 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/932884b1b/5cafca0d14c74b2786d90602de95b471 [2018-10-27 00:28:16,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:28:16,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:28:16,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:16,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:28:16,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:28:16,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:16" (1/1) ... [2018-10-27 00:28:16,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46764b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:16, skipping insertion in model container [2018-10-27 00:28:16,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:16" (1/1) ... [2018-10-27 00:28:16,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:28:16,747 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:28:18,650 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:18,657 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:28:19,713 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:19,765 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:28:19,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19 WrapperNode [2018-10-27 00:28:19,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:19,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:19,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:28:19,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:28:19,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:19,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:20,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:28:20,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:28:20,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:28:20,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:20,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:21,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (1/1) ... [2018-10-27 00:28:21,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:28:21,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:28:21,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:28:21,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:28:21,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (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 [2018-10-27 00:28:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:28:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:28:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 00:28:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 00:28:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 00:28:21,256 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 00:28:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 00:28:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 00:28:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 00:28:21,257 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 00:28:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:28:21,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:28:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:28:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:28:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:28:21,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:28:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:28:21,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:28:39,368 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:28:39,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:39 BoogieIcfgContainer [2018-10-27 00:28:39,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:28:39,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:28:39,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:28:39,374 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:28:39,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:28:16" (1/3) ... [2018-10-27 00:28:39,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1d8c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:28:39, skipping insertion in model container [2018-10-27 00:28:39,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:19" (2/3) ... [2018-10-27 00:28:39,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1d8c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:28:39, skipping insertion in model container [2018-10-27 00:28:39,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:39" (3/3) ... [2018-10-27 00:28:39,378 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label19_false-unreach-call.c [2018-10-27 00:28:39,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:28:39,399 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:28:39,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:28:39,477 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:28:39,477 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:28:39,477 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:28:39,477 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:28:39,477 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:28:39,478 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:28:39,478 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:28:39,478 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:28:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 00:28:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:28:39,541 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:28:39,542 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] [2018-10-27 00:28:39,545 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:28:39,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:39,552 INFO L82 PathProgramCache]: Analyzing trace with hash -316580422, now seen corresponding path program 1 times [2018-10-27 00:28:39,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:28:39,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:39,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:28:39,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:28:39,613 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:28:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:40,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:28:40,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 00:28:40,026 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:28:40,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 00:28:40,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 00:28:40,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:28:40,060 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-27 00:29:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:29:01,521 INFO L93 Difference]: Finished difference Result 5049 states and 9513 transitions. [2018-10-27 00:29:01,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 00:29:01,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-27 00:29:01,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:29:01,584 INFO L225 Difference]: With dead ends: 5049 [2018-10-27 00:29:01,584 INFO L226 Difference]: Without dead ends: 3269 [2018-10-27 00:29:01,597 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 00:29:01,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2018-10-27 00:29:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3218. [2018-10-27 00:29:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3218 states. [2018-10-27 00:29:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 5997 transitions. [2018-10-27 00:29:01,814 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 5997 transitions. Word has length 31 [2018-10-27 00:29:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:29:01,814 INFO L481 AbstractCegarLoop]: Abstraction has 3218 states and 5997 transitions. [2018-10-27 00:29:01,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 00:29:01,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 5997 transitions. [2018-10-27 00:29:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:29:01,821 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:29:01,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:29:01,822 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:29:01,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:01,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1827341156, now seen corresponding path program 1 times [2018-10-27 00:29:01,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:29:01,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:01,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:01,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:01,825 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:29:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:02,200 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:29:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:29:02,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:29:02,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:29:02,588 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:29:02,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:29:02,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:29:02,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:29:02,592 INFO L87 Difference]: Start difference. First operand 3218 states and 5997 transitions. Second operand 6 states. [2018-10-27 00:29:33,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:29:33,004 INFO L93 Difference]: Finished difference Result 12137 states and 23144 transitions. [2018-10-27 00:29:33,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:29:33,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-10-27 00:29:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:29:33,062 INFO L225 Difference]: With dead ends: 12137 [2018-10-27 00:29:33,062 INFO L226 Difference]: Without dead ends: 8925 [2018-10-27 00:29:33,077 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:29:33,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2018-10-27 00:29:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8862. [2018-10-27 00:29:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8862 states. [2018-10-27 00:29:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 14404 transitions. [2018-10-27 00:29:33,323 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 14404 transitions. Word has length 103 [2018-10-27 00:29:33,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:29:33,324 INFO L481 AbstractCegarLoop]: Abstraction has 8862 states and 14404 transitions. [2018-10-27 00:29:33,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:29:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 14404 transitions. [2018-10-27 00:29:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 00:29:33,333 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:29:33,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:29:33,333 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:29:33,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:33,336 INFO L82 PathProgramCache]: Analyzing trace with hash 478615574, now seen corresponding path program 1 times [2018-10-27 00:29:33,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:29:33,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:33,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:33,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:33,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:29:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:29:33,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:29:33,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:29:33,575 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:29:33,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:29:33,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:29:33,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:29:33,579 INFO L87 Difference]: Start difference. First operand 8862 states and 14404 transitions. Second operand 5 states. [2018-10-27 00:30:10,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:10,998 INFO L93 Difference]: Finished difference Result 32230 states and 52865 transitions. [2018-10-27 00:30:10,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:30:11,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2018-10-27 00:30:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:11,077 INFO L225 Difference]: With dead ends: 32230 [2018-10-27 00:30:11,077 INFO L226 Difference]: Without dead ends: 23374 [2018-10-27 00:30:11,113 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:30:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23374 states. [2018-10-27 00:30:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23374 to 23190. [2018-10-27 00:30:11,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23190 states. [2018-10-27 00:30:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23190 states to 23190 states and 32180 transitions. [2018-10-27 00:30:11,671 INFO L78 Accepts]: Start accepts. Automaton has 23190 states and 32180 transitions. Word has length 105 [2018-10-27 00:30:11,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:11,672 INFO L481 AbstractCegarLoop]: Abstraction has 23190 states and 32180 transitions. [2018-10-27 00:30:11,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:30:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 23190 states and 32180 transitions. [2018-10-27 00:30:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:30:11,677 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:30:11,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:30:11,677 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:30:11,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:30:11,681 INFO L82 PathProgramCache]: Analyzing trace with hash -727238078, now seen corresponding path program 1 times [2018-10-27 00:30:11,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:30:11,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:11,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:11,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:11,682 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:30:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:11,974 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:30:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:30:12,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:30:12,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:30:12,351 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:30:12,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:30:12,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:30:12,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:30:12,352 INFO L87 Difference]: Start difference. First operand 23190 states and 32180 transitions. Second operand 6 states. [2018-10-27 00:30:30,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:30,567 INFO L93 Difference]: Finished difference Result 52866 states and 76147 transitions. [2018-10-27 00:30:30,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:30:30,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-10-27 00:30:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:30,678 INFO L225 Difference]: With dead ends: 52866 [2018-10-27 00:30:30,678 INFO L226 Difference]: Without dead ends: 29682 [2018-10-27 00:30:30,731 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:30:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29682 states. [2018-10-27 00:30:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29682 to 29421. [2018-10-27 00:30:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29421 states. [2018-10-27 00:30:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29421 states to 29421 states and 40882 transitions. [2018-10-27 00:30:31,374 INFO L78 Accepts]: Start accepts. Automaton has 29421 states and 40882 transitions. Word has length 110 [2018-10-27 00:30:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:31,375 INFO L481 AbstractCegarLoop]: Abstraction has 29421 states and 40882 transitions. [2018-10-27 00:30:31,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:30:31,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29421 states and 40882 transitions. [2018-10-27 00:30:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 00:30:31,379 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:30:31,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:30:31,380 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:30:31,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:30:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash 340192155, now seen corresponding path program 1 times [2018-10-27 00:30:31,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:30:31,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:31,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:31,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:31,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:30:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:30:31,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:30:31,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:30:31,731 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:30:31,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:30:31,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:30:31,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:30:31,732 INFO L87 Difference]: Start difference. First operand 29421 states and 40882 transitions. Second operand 5 states. [2018-10-27 00:30:57,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:57,993 INFO L93 Difference]: Finished difference Result 88577 states and 130039 transitions. [2018-10-27 00:30:57,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:30:57,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-10-27 00:30:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:58,216 INFO L225 Difference]: With dead ends: 88577 [2018-10-27 00:30:58,216 INFO L226 Difference]: Without dead ends: 59162 [2018-10-27 00:30:58,279 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:30:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59162 states. [2018-10-27 00:30:59,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59162 to 57943. [2018-10-27 00:30:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57943 states. [2018-10-27 00:30:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57943 states to 57943 states and 76967 transitions. [2018-10-27 00:30:59,710 INFO L78 Accepts]: Start accepts. Automaton has 57943 states and 76967 transitions. Word has length 160 [2018-10-27 00:30:59,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:59,710 INFO L481 AbstractCegarLoop]: Abstraction has 57943 states and 76967 transitions. [2018-10-27 00:30:59,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:30:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 57943 states and 76967 transitions. [2018-10-27 00:30:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:30:59,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:30:59,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:30:59,717 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:30:59,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:30:59,718 INFO L82 PathProgramCache]: Analyzing trace with hash 378808406, now seen corresponding path program 1 times [2018-10-27 00:30:59,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:30:59,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:59,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:59,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:30:59,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:30:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:59,995 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:31:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:31:00,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:31:00,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:31:00,194 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:31:00,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:31:00,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:31:00,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:31:00,195 INFO L87 Difference]: Start difference. First operand 57943 states and 76967 transitions. Second operand 6 states. [2018-10-27 00:31:24,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:31:24,089 INFO L93 Difference]: Finished difference Result 144058 states and 200742 transitions. [2018-10-27 00:31:24,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:31:24,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-10-27 00:31:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:31:24,391 INFO L225 Difference]: With dead ends: 144058 [2018-10-27 00:31:24,391 INFO L226 Difference]: Without dead ends: 86121 [2018-10-27 00:31:24,516 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:31:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86121 states. [2018-10-27 00:31:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86121 to 85658. [2018-10-27 00:31:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85658 states. [2018-10-27 00:31:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85658 states to 85658 states and 111006 transitions. [2018-10-27 00:31:26,947 INFO L78 Accepts]: Start accepts. Automaton has 85658 states and 111006 transitions. Word has length 170 [2018-10-27 00:31:26,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:31:26,948 INFO L481 AbstractCegarLoop]: Abstraction has 85658 states and 111006 transitions. [2018-10-27 00:31:26,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:31:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 85658 states and 111006 transitions. [2018-10-27 00:31:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:31:26,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:31:26,957 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, 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] [2018-10-27 00:31:26,957 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:31:26,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:31:26,958 INFO L82 PathProgramCache]: Analyzing trace with hash -170738894, now seen corresponding path program 1 times [2018-10-27 00:31:26,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:31:26,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:31:26,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:31:26,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:31:26,960 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:31:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:31:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 48 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:31:27,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:31:27,227 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:31:27,228 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-10-27 00:31:27,230 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5374], [5376], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5841], [5842], [5845], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-27 00:31:27,305 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:31:27,306 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:31:30,233 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:31:30,235 INFO L272 AbstractInterpreter]: Visited 96 different actions 96 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 00:31:30,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:31:30,249 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:31:33,008 INFO L227 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 75.3% of their original sizes. [2018-10-27 00:31:33,008 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:31:33,510 INFO L415 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-10-27 00:31:33,511 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:31:33,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:31:33,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-27 00:31:33,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:31:33,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:31:33,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:31:33,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:31:33,513 INFO L87 Difference]: Start difference. First operand 85658 states and 111006 transitions. Second operand 7 states. [2018-10-27 00:31:40,179 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-27 00:31:55,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:31:55,718 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:31:55,724 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:31:55,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:31:55 BoogieIcfgContainer [2018-10-27 00:31:55,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:31:55,725 INFO L168 Benchmark]: Toolchain (without parser) took 219261.67 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -496.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,727 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 00:31:55,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3300.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 778.46 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,732 INFO L168 Benchmark]: Boogie Preprocessor took 630.84 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,736 INFO L168 Benchmark]: RCFGBuilder took 18192.71 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 181.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 487.7 MB). Peak memory consumption was 670.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,737 INFO L168 Benchmark]: TraceAbstraction took 196354.17 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -171.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-27 00:31:55,744 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3300.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 778.46 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.2 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 630.84 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18192.71 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 181.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 487.7 MB). Peak memory consumption was 670.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 196354.17 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.9 GB in the end (delta: -171.1 MB). 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: 88]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 88). Cancelled while BasicCegarLoop was constructing difference of abstraction (85658states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (13280 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 196.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 181.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3403 SDtfs, 37915 SDslu, 4139 SDs, 0 SdLazy, 57452 SolverSat, 15318 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 143.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 266 GetRequests, 221 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85658occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9954064892453517 AbsIntWeakeningRatio, 0.12796208530805686 AbsIntAvgWeakeningVarsNumRemoved, 1041.5734597156397 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2241 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 562931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 173/258 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown