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/Problem15_label29_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 18:37:37,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 18:37:37,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 18:37:37,440 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 18:37:37,441 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 18:37:37,442 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 18:37:37,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 18:37:37,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 18:37:37,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 18:37:37,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 18:37:37,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 18:37:37,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 18:37:37,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 18:37:37,451 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 18:37:37,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 18:37:37,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 18:37:37,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 18:37:37,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 18:37:37,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 18:37:37,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 18:37:37,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 18:37:37,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 18:37:37,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 18:37:37,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 18:37:37,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 18:37:37,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 18:37:37,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 18:37:37,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 18:37:37,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 18:37:37,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 18:37:37,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 18:37:37,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 18:37:37,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 18:37:37,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 18:37:37,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 18:37:37,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 18:37:37,473 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 [2018-10-24 18:37:37,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 18:37:37,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 18:37:37,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 18:37:37,490 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 18:37:37,490 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 18:37:37,491 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 18:37:37,491 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 18:37:37,491 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 18:37:37,491 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 18:37:37,491 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 18:37:37,492 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 18:37:37,492 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 18:37:37,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 18:37:37,493 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 18:37:37,493 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 18:37:37,493 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 18:37:37,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 18:37:37,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 18:37:37,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 18:37:37,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 18:37:37,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 18:37:37,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 18:37:37,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 18:37:37,495 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 18:37:37,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 18:37:37,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 18:37:37,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 18:37:37,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 18:37:37,496 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 18:37:37,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 18:37:37,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 18:37:37,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 18:37:37,497 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 18:37:37,497 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 18:37:37,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 18:37:37,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 18:37:37,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 18:37:37,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 18:37:37,560 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 18:37:37,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label29_false-unreach-call.c [2018-10-24 18:37:37,622 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/926b33370/22b9f2d6d4b249588d4611d103114366/FLAGba77acfe7 [2018-10-24 18:37:38,312 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 18:37:38,313 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label29_false-unreach-call.c [2018-10-24 18:37:38,334 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/926b33370/22b9f2d6d4b249588d4611d103114366/FLAGba77acfe7 [2018-10-24 18:37:38,350 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/926b33370/22b9f2d6d4b249588d4611d103114366 [2018-10-24 18:37:38,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 18:37:38,363 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 18:37:38,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 18:37:38,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 18:37:38,368 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 18:37:38,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:37:38" (1/1) ... [2018-10-24 18:37:38,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769a0e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:38, skipping insertion in model container [2018-10-24 18:37:38,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:37:38" (1/1) ... [2018-10-24 18:37:38,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 18:37:38,474 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 18:37:39,353 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:37:39,358 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 18:37:39,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 18:37:39,748 INFO L193 MainTranslator]: Completed translation [2018-10-24 18:37:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39 WrapperNode [2018-10-24 18:37:39,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 18:37:39,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 18:37:39,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 18:37:39,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 18:37:39,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:39,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 18:37:40,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 18:37:40,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 18:37:40,147 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 18:37:40,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (1/1) ... [2018-10-24 18:37:40,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 18:37:40,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 18:37:40,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 18:37:40,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 18:37:40,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (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 18:37:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 18:37:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 18:37:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 18:37:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 18:37:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 18:37:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 18:37:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 18:37:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 18:37:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 18:37:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 18:37:47,084 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 18:37:47,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:37:47 BoogieIcfgContainer [2018-10-24 18:37:47,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 18:37:47,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 18:37:47,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 18:37:47,090 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 18:37:47,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:37:38" (1/3) ... [2018-10-24 18:37:47,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4213d55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:37:47, skipping insertion in model container [2018-10-24 18:37:47,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:37:39" (2/3) ... [2018-10-24 18:37:47,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4213d55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:37:47, skipping insertion in model container [2018-10-24 18:37:47,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:37:47" (3/3) ... [2018-10-24 18:37:47,094 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label29_false-unreach-call.c [2018-10-24 18:37:47,104 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 18:37:47,114 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 18:37:47,132 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 18:37:47,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 18:37:47,174 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 18:37:47,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 18:37:47,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 18:37:47,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 18:37:47,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 18:37:47,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 18:37:47,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 18:37:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 18:37:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-24 18:37:47,220 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:37:47,221 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] [2018-10-24 18:37:47,224 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:37:47,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:37:47,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1800522660, now seen corresponding path program 1 times [2018-10-24 18:37:47,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:37:47,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:37:47,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:37:47,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:37:47,292 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:37:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:37:47,671 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 18:37:47,715 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 18:37:47,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:37:47,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 18:37:47,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:37:47,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 18:37:47,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 18:37:47,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 18:37:47,739 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 3 states. [2018-10-24 18:37:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:37:53,013 INFO L93 Difference]: Finished difference Result 1194 states and 2152 transitions. [2018-10-24 18:37:53,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 18:37:53,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-10-24 18:37:53,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:37:53,039 INFO L225 Difference]: With dead ends: 1194 [2018-10-24 18:37:53,040 INFO L226 Difference]: Without dead ends: 754 [2018-10-24 18:37:53,051 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 [2018-10-24 18:37:53,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2018-10-24 18:37:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 752. [2018-10-24 18:37:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2018-10-24 18:37:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1325 transitions. [2018-10-24 18:37:53,152 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1325 transitions. Word has length 28 [2018-10-24 18:37:53,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:37:53,153 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 1325 transitions. [2018-10-24 18:37:53,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 18:37:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1325 transitions. [2018-10-24 18:37:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-24 18:37:53,159 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:37:53,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:53,159 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:37:53,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:37:53,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1795100031, now seen corresponding path program 1 times [2018-10-24 18:37:53,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:37:53,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:37:53,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:37:53,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:37:53,162 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:37:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:37:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:37:53,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:37:53,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:37:53,416 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:37:53,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:37:53,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:37:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:37:53,418 INFO L87 Difference]: Start difference. First operand 752 states and 1325 transitions. Second operand 6 states. [2018-10-24 18:38:10,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:38:10,620 INFO L93 Difference]: Finished difference Result 2838 states and 5159 transitions. [2018-10-24 18:38:10,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:38:10,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2018-10-24 18:38:10,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:38:10,646 INFO L225 Difference]: With dead ends: 2838 [2018-10-24 18:38:10,647 INFO L226 Difference]: Without dead ends: 2092 [2018-10-24 18:38:10,656 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:38:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2018-10-24 18:38:10,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2056. [2018-10-24 18:38:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2056 states. [2018-10-24 18:38:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 3405 transitions. [2018-10-24 18:38:10,782 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 3405 transitions. Word has length 102 [2018-10-24 18:38:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:38:10,783 INFO L481 AbstractCegarLoop]: Abstraction has 2056 states and 3405 transitions. [2018-10-24 18:38:10,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:38:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 3405 transitions. [2018-10-24 18:38:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-24 18:38:10,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:38:10,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:10,790 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:38:10,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:38:10,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1736818506, now seen corresponding path program 1 times [2018-10-24 18:38:10,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:38:10,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:10,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:38:10,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:10,797 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:38:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:38:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:38:11,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:38:11,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:38:11,005 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:38:11,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:38:11,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:38:11,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:38:11,007 INFO L87 Difference]: Start difference. First operand 2056 states and 3405 transitions. Second operand 5 states. [2018-10-24 18:38:18,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:38:18,122 INFO L93 Difference]: Finished difference Result 6125 states and 10304 transitions. [2018-10-24 18:38:18,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:38:18,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2018-10-24 18:38:18,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:38:18,163 INFO L225 Difference]: With dead ends: 6125 [2018-10-24 18:38:18,163 INFO L226 Difference]: Without dead ends: 4075 [2018-10-24 18:38:18,174 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 [2018-10-24 18:38:18,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4075 states. [2018-10-24 18:38:18,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4075 to 3998. [2018-10-24 18:38:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3998 states. [2018-10-24 18:38:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 5876 transitions. [2018-10-24 18:38:18,306 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 5876 transitions. Word has length 105 [2018-10-24 18:38:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:38:18,307 INFO L481 AbstractCegarLoop]: Abstraction has 3998 states and 5876 transitions. [2018-10-24 18:38:18,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:38:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 5876 transitions. [2018-10-24 18:38:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-24 18:38:18,309 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:38:18,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:18,310 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:38:18,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:38:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash 895222520, now seen corresponding path program 1 times [2018-10-24 18:38:18,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:38:18,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:18,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:38:18,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:18,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:38:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:38:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:38:18,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:38:18,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 18:38:18,538 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:38:18,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 18:38:18,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 18:38:18,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 18:38:18,539 INFO L87 Difference]: Start difference. First operand 3998 states and 5876 transitions. Second operand 6 states. [2018-10-24 18:38:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:38:25,282 INFO L93 Difference]: Finished difference Result 11087 states and 16945 transitions. [2018-10-24 18:38:25,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 18:38:25,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-10-24 18:38:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:38:25,328 INFO L225 Difference]: With dead ends: 11087 [2018-10-24 18:38:25,328 INFO L226 Difference]: Without dead ends: 7095 [2018-10-24 18:38:25,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 18:38:25,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2018-10-24 18:38:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 6986. [2018-10-24 18:38:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6986 states. [2018-10-24 18:38:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6986 states to 6986 states and 9529 transitions. [2018-10-24 18:38:25,551 INFO L78 Accepts]: Start accepts. Automaton has 6986 states and 9529 transitions. Word has length 115 [2018-10-24 18:38:25,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:38:25,552 INFO L481 AbstractCegarLoop]: Abstraction has 6986 states and 9529 transitions. [2018-10-24 18:38:25,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 18:38:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6986 states and 9529 transitions. [2018-10-24 18:38:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-24 18:38:25,555 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:38:25,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:25,555 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:38:25,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:38:25,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1383361339, now seen corresponding path program 1 times [2018-10-24 18:38:25,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:38:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:25,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:38:25,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:25,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:38:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:38:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:38:25,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 18:38:25,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 18:38:25,887 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:38:25,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 18:38:25,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 18:38:25,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 18:38:25,889 INFO L87 Difference]: Start difference. First operand 6986 states and 9529 transitions. Second operand 5 states. [2018-10-24 18:38:38,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:38:38,030 INFO L93 Difference]: Finished difference Result 18670 states and 26332 transitions. [2018-10-24 18:38:38,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:38:38,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-10-24 18:38:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:38:38,090 INFO L225 Difference]: With dead ends: 18670 [2018-10-24 18:38:38,091 INFO L226 Difference]: Without dead ends: 11690 [2018-10-24 18:38:38,127 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 [2018-10-24 18:38:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11690 states. [2018-10-24 18:38:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11690 to 11531. [2018-10-24 18:38:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11531 states. [2018-10-24 18:38:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11531 states to 11531 states and 15507 transitions. [2018-10-24 18:38:38,400 INFO L78 Accepts]: Start accepts. Automaton has 11531 states and 15507 transitions. Word has length 125 [2018-10-24 18:38:38,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:38:38,401 INFO L481 AbstractCegarLoop]: Abstraction has 11531 states and 15507 transitions. [2018-10-24 18:38:38,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 18:38:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 11531 states and 15507 transitions. [2018-10-24 18:38:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 18:38:38,405 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:38:38,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:38:38,406 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:38:38,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:38:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1389612834, now seen corresponding path program 1 times [2018-10-24 18:38:38,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:38:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:38,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:38:38,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:38:38,408 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:38:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:38:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:38:38,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:38:38,796 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:38:38,797 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-10-24 18:38:38,799 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:38:38,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:38:38,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:38:41,219 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:38:41,221 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 18:38:41,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:38:41,234 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:38:42,651 INFO L232 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 77.71% of their original sizes. [2018-10-24 18:38:42,651 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 18:38:42,984 INFO L413 sIntCurrentIteration]: We have 139 unified AI predicates [2018-10-24 18:38:42,984 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 18:38:42,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 18:38:42,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 18:38:42,985 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 18:38:42,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 18:38:42,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 18:38:42,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 18:38:42,987 INFO L87 Difference]: Start difference. First operand 11531 states and 15507 transitions. Second operand 8 states. [2018-10-24 18:38:46,105 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:40:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 18:40:32,189 INFO L93 Difference]: Finished difference Result 23049 states and 31004 transitions. [2018-10-24 18:40:32,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 18:40:32,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2018-10-24 18:40:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 18:40:32,226 INFO L225 Difference]: With dead ends: 23049 [2018-10-24 18:40:32,226 INFO L226 Difference]: Without dead ends: 11524 [2018-10-24 18:40:32,260 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 18:40:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11524 states. [2018-10-24 18:40:32,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11524 to 11522. [2018-10-24 18:40:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11522 states. [2018-10-24 18:40:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11522 states to 11522 states and 15466 transitions. [2018-10-24 18:40:32,502 INFO L78 Accepts]: Start accepts. Automaton has 11522 states and 15466 transitions. Word has length 140 [2018-10-24 18:40:32,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 18:40:32,503 INFO L481 AbstractCegarLoop]: Abstraction has 11522 states and 15466 transitions. [2018-10-24 18:40:32,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 18:40:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 11522 states and 15466 transitions. [2018-10-24 18:40:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-24 18:40:32,508 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 18:40:32,509 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, 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, 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 18:40:32,509 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 18:40:32,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:40:32,510 INFO L82 PathProgramCache]: Analyzing trace with hash -83318393, now seen corresponding path program 1 times [2018-10-24 18:40:32,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 18:40:32,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:40:32,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 18:40:32,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 18:40:32,511 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 18:40:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 18:40:33,476 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 18:40:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 18:40:33,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 18:40:33,688 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 18:40:33,688 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-10-24 18:40:33,688 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [197], [199], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 18:40:33,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 18:40:33,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 18:40:34,858 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 18:40:41,882 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 18:40:41,883 INFO L272 AbstractInterpreter]: Visited 120 different actions 347 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 18:40:41,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 18:40:41,891 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 18:40:44,914 INFO L232 lantSequenceWeakener]: Weakened 27 states. On average, predicates are now at 79.8% of their original sizes. [2018-10-24 18:40:44,914 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 18:41:33,436 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 18:41:33,441 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 18:41:33,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:41:33 BoogieIcfgContainer [2018-10-24 18:41:33,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 18:41:33,442 INFO L168 Benchmark]: Toolchain (without parser) took 235080.48 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 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 721.2 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,444 INFO L168 Benchmark]: CDTParser took 0.20 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 18:41:33,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 395.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -864.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,446 INFO L168 Benchmark]: Boogie Preprocessor took 227.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,447 INFO L168 Benchmark]: RCFGBuilder took 6710.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 303.9 MB). Peak memory consumption was 303.9 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,448 INFO L168 Benchmark]: TraceAbstraction took 226355.38 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 3.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 410.4 MB. Max. memory is 7.1 GB. [2018-10-24 18:41:33,453 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1384.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 395.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -864.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 227.24 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6710.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 303.9 MB). Peak memory consumption was 303.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 226355.38 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 3.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 410.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 70). Cancelled while BasicCegarLoop was analyzing trace of length 237 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 14 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 226.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 158.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1326 SDtfs, 6993 SDslu, 1660 SDs, 0 SdLazy, 14012 SolverSat, 2773 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 114.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 184 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11531occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.6s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9946039680694412 AbsIntWeakeningRatio, 0.12299465240641712 AbsIntAvgWeakeningVarsNumRemoved, 398.03743315508024 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 385 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 609 ConstructedInterpolants, 0 QuantifiedInterpolants, 252824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 84/105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown