java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 09:16:09,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 09:16:09,141 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 09:16:09,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 09:16:09,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 09:16:09,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 09:16:09,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 09:16:09,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 09:16:09,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 09:16:09,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 09:16:09,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 09:16:09,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 09:16:09,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 09:16:09,172 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 09:16:09,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 09:16:09,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 09:16:09,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 09:16:09,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 09:16:09,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 09:16:09,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 09:16:09,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 09:16:09,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 09:16:09,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 09:16:09,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 09:16:09,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 09:16:09,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 09:16:09,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 09:16:09,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 09:16:09,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 09:16:09,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 09:16:09,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 09:16:09,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 09:16:09,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 09:16:09,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 09:16:09,212 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 09:16:09,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 09:16:09,215 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 09:16:09,238 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 09:16:09,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 09:16:09,243 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 09:16:09,243 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 09:16:09,243 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 09:16:09,243 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 09:16:09,244 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 09:16:09,244 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 09:16:09,244 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 09:16:09,244 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 09:16:09,244 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 09:16:09,245 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 09:16:09,247 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 09:16:09,247 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 09:16:09,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 09:16:09,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 09:16:09,248 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 09:16:09,248 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 09:16:09,248 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 09:16:09,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 09:16:09,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 09:16:09,249 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 09:16:09,249 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 09:16:09,249 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 09:16:09,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 09:16:09,251 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 09:16:09,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:16:09,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 09:16:09,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 09:16:09,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 09:16:09,252 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 09:16:09,255 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 09:16:09,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 09:16:09,255 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 09:16:09,255 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 09:16:09,256 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 09:16:09,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 09:16:09,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 09:16:09,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 09:16:09,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 09:16:09,333 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 09:16:09,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-11-07 09:16:09,410 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a9181b7/b3493a7bc323446caad93aacf8ca24e1/FLAGd2019d065 [2018-11-07 09:16:10,165 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 09:16:10,166 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-11-07 09:16:10,188 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a9181b7/b3493a7bc323446caad93aacf8ca24e1/FLAGd2019d065 [2018-11-07 09:16:10,206 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a9181b7/b3493a7bc323446caad93aacf8ca24e1 [2018-11-07 09:16:10,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 09:16:10,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 09:16:10,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 09:16:10,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 09:16:10,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 09:16:10,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:10" (1/1) ... [2018-11-07 09:16:10,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d100604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:10, skipping insertion in model container [2018-11-07 09:16:10,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:16:10" (1/1) ... [2018-11-07 09:16:10,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 09:16:10,325 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 09:16:11,004 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:16:11,009 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 09:16:11,256 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 09:16:11,280 INFO L193 MainTranslator]: Completed translation [2018-11-07 09:16:11,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11 WrapperNode [2018-11-07 09:16:11,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 09:16:11,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 09:16:11,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 09:16:11,283 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 09:16:11,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 09:16:11,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 09:16:11,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 09:16:11,522 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 09:16:11,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... [2018-11-07 09:16:11,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 09:16:11,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 09:16:11,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 09:16:11,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 09:16:11,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 09:16:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 09:16:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 09:16:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 09:16:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 09:16:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 09:16:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 09:16:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 09:16:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 09:16:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 09:16:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 09:16:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 09:16:18,392 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 09:16:18,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:18 BoogieIcfgContainer [2018-11-07 09:16:18,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 09:16:18,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 09:16:18,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 09:16:18,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 09:16:18,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:16:10" (1/3) ... [2018-11-07 09:16:18,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67529a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:18, skipping insertion in model container [2018-11-07 09:16:18,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:16:11" (2/3) ... [2018-11-07 09:16:18,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67529a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:16:18, skipping insertion in model container [2018-11-07 09:16:18,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:16:18" (3/3) ... [2018-11-07 09:16:18,405 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label24_true-unreach-call.c [2018-11-07 09:16:18,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 09:16:18,422 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 09:16:18,438 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 09:16:18,484 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 09:16:18,485 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 09:16:18,485 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 09:16:18,485 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 09:16:18,485 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 09:16:18,486 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 09:16:18,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 09:16:18,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 09:16:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-07 09:16:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-07 09:16:18,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:18,533 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:18,535 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:18,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2128863117, now seen corresponding path program 1 times [2018-11-07 09:16:18,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:18,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:18,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:18,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:18,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:16:19,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:19,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 09:16:19,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:19,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 09:16:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 09:16:19,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:16:19,095 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-07 09:16:22,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:22,815 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-07 09:16:22,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 09:16:22,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-07 09:16:22,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:22,846 INFO L225 Difference]: With dead ends: 1156 [2018-11-07 09:16:22,847 INFO L226 Difference]: Without dead ends: 744 [2018-11-07 09:16:22,859 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 09:16:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-07 09:16:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-07 09:16:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-07 09:16:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-07 09:16:23,038 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 59 [2018-11-07 09:16:23,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:23,038 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-07 09:16:23,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 09:16:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-07 09:16:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-07 09:16:23,054 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:23,055 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:23,055 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:23,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:23,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2051770448, now seen corresponding path program 1 times [2018-11-07 09:16:23,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:23,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:23,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:23,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:23,062 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:16:23,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:23,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:16:23,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:23,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:23,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:23,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:23,543 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-07 09:16:23,814 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-07 09:16:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:30,532 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-07 09:16:30,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:16:30,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-11-07 09:16:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:30,559 INFO L225 Difference]: With dead ends: 2183 [2018-11-07 09:16:30,559 INFO L226 Difference]: Without dead ends: 1445 [2018-11-07 09:16:30,566 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 09:16:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-07 09:16:30,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-07 09:16:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-07 09:16:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-07 09:16:30,639 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 167 [2018-11-07 09:16:30,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:30,640 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-07 09:16:30,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:16:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-07 09:16:30,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-07 09:16:30,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:30,648 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:16:30,648 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:30,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:30,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1876159715, now seen corresponding path program 1 times [2018-11-07 09:16:30,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:30,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:30,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:30,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:30,650 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:30,936 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 09:16:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 09:16:31,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 09:16:31,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 09:16:31,059 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:31,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:31,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:31,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:31,061 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-07 09:16:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:16:37,659 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-07 09:16:37,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 09:16:37,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-07 09:16:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:16:37,678 INFO L225 Difference]: With dead ends: 3902 [2018-11-07 09:16:37,679 INFO L226 Difference]: Without dead ends: 2484 [2018-11-07 09:16:37,685 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 09:16:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-07 09:16:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-07 09:16:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-07 09:16:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-07 09:16:37,763 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 170 [2018-11-07 09:16:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:16:37,763 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-07 09:16:37,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:16:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-07 09:16:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-07 09:16:37,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:16:37,770 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 09:16:37,770 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:16:37,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:37,771 INFO L82 PathProgramCache]: Analyzing trace with hash -170942544, now seen corresponding path program 1 times [2018-11-07 09:16:37,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:16:37,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:37,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:16:37,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:16:37,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:16:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:16:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 104 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 09:16:38,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:16:38,177 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:16:38,178 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-11-07 09:16:38,181 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:16:38,233 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:16:38,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:16:38,767 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:16:38,771 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 09:16:38,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:16:38,803 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:16:39,473 INFO L227 lantSequenceWeakener]: Weakened 277 states. On average, predicates are now at 77.97% of their original sizes. [2018-11-07 09:16:39,475 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:16:39,633 INFO L415 sIntCurrentIteration]: We unified 285 AI predicates to 285 [2018-11-07 09:16:39,634 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:16:39,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:16:39,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 09:16:39,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:16:39,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 09:16:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 09:16:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 09:16:39,638 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-07 09:17:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:17:20,192 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-07 09:17:20,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-07 09:17:20,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2018-11-07 09:17:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:17:20,208 INFO L225 Difference]: With dead ends: 5282 [2018-11-07 09:17:20,208 INFO L226 Difference]: Without dead ends: 2814 [2018-11-07 09:17:20,217 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 09:17:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-07 09:17:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-07 09:17:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-07 09:17:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-07 09:17:20,291 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 286 [2018-11-07 09:17:20,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:17:20,291 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-07 09:17:20,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 09:17:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-07 09:17:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-07 09:17:20,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:17:20,300 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 09:17:20,301 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:17:20,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:17:20,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1637733261, now seen corresponding path program 1 times [2018-11-07 09:17:20,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:17:20,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:17:20,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:17:20,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:17:20,303 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:17:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:17:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 251 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-07 09:17:20,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:17:20,986 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:17:20,987 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-11-07 09:17:20,987 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:17:20,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:17:21,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:17:21,303 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:17:21,303 INFO L272 AbstractInterpreter]: Visited 125 different actions 362 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:17:21,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:17:21,341 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:17:21,773 INFO L227 lantSequenceWeakener]: Weakened 375 states. On average, predicates are now at 80.54% of their original sizes. [2018-11-07 09:17:21,773 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:17:22,066 INFO L415 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-11-07 09:17:22,066 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:17:22,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:17:22,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 09:17:22,067 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:17:22,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:17:22,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:17:22,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:17:22,069 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 10 states. [2018-11-07 09:19:36,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 09:19:36,322 INFO L93 Difference]: Finished difference Result 8059 states and 11703 transitions. [2018-11-07 09:19:36,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 09:19:36,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 378 [2018-11-07 09:19:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 09:19:36,352 INFO L225 Difference]: With dead ends: 8059 [2018-11-07 09:19:36,352 INFO L226 Difference]: Without dead ends: 5591 [2018-11-07 09:19:36,370 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 387 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 09:19:36,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2018-11-07 09:19:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 5567. [2018-11-07 09:19:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5567 states. [2018-11-07 09:19:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 5567 states and 7100 transitions. [2018-11-07 09:19:36,503 INFO L78 Accepts]: Start accepts. Automaton has 5567 states and 7100 transitions. Word has length 378 [2018-11-07 09:19:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 09:19:36,504 INFO L480 AbstractCegarLoop]: Abstraction has 5567 states and 7100 transitions. [2018-11-07 09:19:36,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 09:19:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5567 states and 7100 transitions. [2018-11-07 09:19:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-11-07 09:19:36,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 09:19:36,520 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 09:19:36,520 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 09:19:36,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:19:36,521 INFO L82 PathProgramCache]: Analyzing trace with hash -114594037, now seen corresponding path program 1 times [2018-11-07 09:19:36,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 09:19:36,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:19:36,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 09:19:36,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 09:19:36,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 09:19:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 09:19:37,065 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-07 09:19:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 266 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-07 09:19:37,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 09:19:37,634 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 09:19:37,634 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 527 with the following transitions: [2018-11-07 09:19:37,635 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 09:19:37,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 09:19:37,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 09:19:37,906 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 09:19:37,907 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 09:19:37,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 09:19:37,944 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 09:19:38,411 INFO L227 lantSequenceWeakener]: Weakened 523 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-07 09:19:38,412 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 09:19:38,704 INFO L415 sIntCurrentIteration]: We unified 525 AI predicates to 525 [2018-11-07 09:19:38,704 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 09:19:38,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 09:19:38,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-07 09:19:38,704 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 09:19:38,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 09:19:38,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 09:19:38,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 09:19:38,706 INFO L87 Difference]: Start difference. First operand 5567 states and 7100 transitions. Second operand 10 states. Received shutdown request... [2018-11-07 09:20:11,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 09:20:11,898 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 09:20:11,904 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 09:20:11,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:20:11 BoogieIcfgContainer [2018-11-07 09:20:11,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 09:20:11,905 INFO L168 Benchmark]: Toolchain (without parser) took 241686.49 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 1.9 GB in the end (delta: -553.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-07 09:20:11,906 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. [2018-11-07 09:20:11,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1061.62 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:11,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 235.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -846.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:11,908 INFO L168 Benchmark]: Boogie Preprocessor took 167.24 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 09:20:11,909 INFO L168 Benchmark]: RCFGBuilder took 6707.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 252.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. [2018-11-07 09:20:11,910 INFO L168 Benchmark]: TraceAbstraction took 233509.74 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: -34.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 09:20:11,915 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 1061.62 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 235.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 720.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -846.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.24 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 6707.28 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 252.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233509.74 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: -34.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 163]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 163). Cancelled while BasicCegarLoop was constructing difference of abstraction (5567states) and FLOYD_HOARE automaton (currently 12 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (3555 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 233.4s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 225.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1287 SDtfs, 8979 SDslu, 1041 SDs, 0 SdLazy, 10405 SolverSat, 3260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 189.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1231 GetRequests, 1173 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5567occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9977873848054046 AbsIntWeakeningRatio, 0.07582139848357203 AbsIntAvgWeakeningVarsNumRemoved, 16.226621735467564 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1586 NumberOfCodeBlocks, 1586 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1580 ConstructedInterpolants, 0 QuantifiedInterpolants, 3544045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 925/1264 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown