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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:55:51,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:55:51,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:55:51,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:55:51,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:55:51,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:55:51,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:55:51,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:55:51,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:55:51,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:55:51,170 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:55:51,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:55:51,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:55:51,172 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:55:51,173 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:55:51,174 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:55:51,175 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:55:51,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:55:51,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:55:51,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:55:51,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:55:51,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:55:51,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 08:55:51,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 08:55:51,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 08:55:51,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 08:55:51,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 08:55:51,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 08:55:51,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 08:55:51,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 08:55:51,191 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 08:55:51,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 08:55:51,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 08:55:51,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 08:55:51,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 08:55:51,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 08:55:51,194 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:55:51,208 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:55:51,208 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:55:51,209 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:55:51,209 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:55:51,210 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:55:51,210 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:55:51,210 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:55:51,210 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:55:51,210 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:55:51,211 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:55:51,211 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:55:51,211 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:55:51,211 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:55:51,211 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:55:51,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:55:51,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:55:51,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:55:51,212 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:55:51,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:55:51,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:55:51,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:55:51,213 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:55:51,213 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:55:51,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:55:51,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:55:51,214 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:55:51,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:55:51,214 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:55:51,214 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:55:51,215 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:55:51,215 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:55:51,215 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:55:51,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:55:51,215 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:55:51,216 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:55:51,216 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:55:51,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:55:51,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:55:51,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:55:51,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:55:51,284 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:55:51,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-10-27 08:55:51,344 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/844c0e2ba/62766711377b45439f05908a9ce2007a/FLAG27f9e1788 [2018-10-27 08:55:52,224 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:55:52,225 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label40_true-unreach-call.c [2018-10-27 08:55:52,279 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/844c0e2ba/62766711377b45439f05908a9ce2007a/FLAG27f9e1788 [2018-10-27 08:55:52,301 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/844c0e2ba/62766711377b45439f05908a9ce2007a [2018-10-27 08:55:52,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:55:52,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:55:52,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:55:52,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:55:52,325 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:55:52,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:52" (1/1) ... [2018-10-27 08:55:52,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a79e33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:52, skipping insertion in model container [2018-10-27 08:55:52,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:55:52" (1/1) ... [2018-10-27 08:55:52,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:55:52,594 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:55:54,561 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:55:54,565 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:55:55,671 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:55:55,724 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:55:55,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55 WrapperNode [2018-10-27 08:55:55,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:55:55,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:55:55,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:55:55,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:55:55,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:55,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:55:56,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:55:56,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:55:56,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:55:56,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... [2018-10-27 08:55:56,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:55:56,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:55:56,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:55:56,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:55:56,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:55:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:55:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:55:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 08:55:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 08:55:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 08:55:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 08:55:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 08:55:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 08:55:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 08:55:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 08:55:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 08:55:57,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 08:55:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:55:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:55:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:55:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:55:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:55:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:56:15,213 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:56:15,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:56:15 BoogieIcfgContainer [2018-10-27 08:56:15,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:56:15,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:56:15,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:56:15,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:56:15,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:55:52" (1/3) ... [2018-10-27 08:56:15,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65459073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:56:15, skipping insertion in model container [2018-10-27 08:56:15,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:55:55" (2/3) ... [2018-10-27 08:56:15,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65459073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:56:15, skipping insertion in model container [2018-10-27 08:56:15,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:56:15" (3/3) ... [2018-10-27 08:56:15,223 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label40_true-unreach-call.c [2018-10-27 08:56:15,233 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:56:15,244 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:56:15,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:56:15,318 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:56:15,318 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:56:15,319 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:56:15,319 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:56:15,319 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:56:15,319 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:56:15,319 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:56:15,319 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:56:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 08:56:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 08:56:15,387 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:56:15,388 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] [2018-10-27 08:56:15,390 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:56:15,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:56:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash 779425490, now seen corresponding path program 1 times [2018-10-27 08:56:15,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:56:15,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:56:15,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:56:15,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:56:15,458 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:56:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:56:15,935 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:56:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:56:16,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:56:16,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:56:16,047 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:56:16,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:56:16,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:56:16,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:56:16,073 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-27 08:56:30,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:56:30,916 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-27 08:56:30,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:56:30,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-10-27 08:56:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:56:30,963 INFO L225 Difference]: With dead ends: 4998 [2018-10-27 08:56:30,963 INFO L226 Difference]: Without dead ends: 3218 [2018-10-27 08:56:30,975 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:56:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-27 08:56:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-27 08:56:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-27 08:56:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-27 08:56:31,178 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 53 [2018-10-27 08:56:31,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:56:31,179 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-27 08:56:31,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:56:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-27 08:56:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 08:56:31,187 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:56:31,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:56:31,188 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:56:31,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:56:31,189 INFO L82 PathProgramCache]: Analyzing trace with hash 401616796, now seen corresponding path program 1 times [2018-10-27 08:56:31,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:56:31,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:56:31,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:56:31,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:56:31,190 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:56:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:56:31,507 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:56:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:56:31,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:56:31,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:56:31,901 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:56:31,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:56:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:56:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:56:31,905 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-27 08:57:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:57:00,775 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-27 08:57:00,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:57:00,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-27 08:57:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:57:00,816 INFO L225 Difference]: With dead ends: 9340 [2018-10-27 08:57:00,816 INFO L226 Difference]: Without dead ends: 6131 [2018-10-27 08:57:00,827 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:57:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-27 08:57:00,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-27 08:57:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-27 08:57:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-27 08:57:00,981 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 125 [2018-10-27 08:57:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:57:00,981 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-27 08:57:00,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:57:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-27 08:57:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 08:57:00,985 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:57:00,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:57:00,986 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:57:00,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:57:00,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1122712729, now seen corresponding path program 1 times [2018-10-27 08:57:00,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:57:00,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:57:00,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:57:00,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:57:00,988 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:57:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:57:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:57:01,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:57:01,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:57:01,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:57:01,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:57:01,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:57:01,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:57:01,238 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-27 08:57:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:57:23,971 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-10-27 08:57:23,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:57:23,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-27 08:57:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:57:24,056 INFO L225 Difference]: With dead ends: 21091 [2018-10-27 08:57:24,056 INFO L226 Difference]: Without dead ends: 15006 [2018-10-27 08:57:24,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:57:24,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-10-27 08:57:24,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-10-27 08:57:24,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-10-27 08:57:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-10-27 08:57:24,459 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 127 [2018-10-27 08:57:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:57:24,459 INFO L481 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-10-27 08:57:24,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:57:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-10-27 08:57:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 08:57:24,463 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:57:24,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:57:24,464 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:57:24,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:57:24,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1500340952, now seen corresponding path program 1 times [2018-10-27 08:57:24,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:57:24,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:57:24,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:57:24,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:57:24,466 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:57:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:57:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:57:24,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:57:24,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:57:24,949 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:57:24,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:57:24,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:57:24,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:57:24,950 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-10-27 08:58:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:58:10,432 INFO L93 Difference]: Finished difference Result 58684 states and 93370 transitions. [2018-10-27 08:58:10,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:58:10,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-10-27 08:58:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:58:10,649 INFO L225 Difference]: With dead ends: 58684 [2018-10-27 08:58:10,649 INFO L226 Difference]: Without dead ends: 43873 [2018-10-27 08:58:10,728 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:58:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43873 states. [2018-10-27 08:58:12,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43873 to 43779. [2018-10-27 08:58:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43779 states. [2018-10-27 08:58:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43779 states to 43779 states and 63266 transitions. [2018-10-27 08:58:12,138 INFO L78 Accepts]: Start accepts. Automaton has 43779 states and 63266 transitions. Word has length 149 [2018-10-27 08:58:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:58:12,138 INFO L481 AbstractCegarLoop]: Abstraction has 43779 states and 63266 transitions. [2018-10-27 08:58:12,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:58:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43779 states and 63266 transitions. [2018-10-27 08:58:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 08:58:12,144 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:58:12,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:58:12,148 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:58:12,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:58:12,149 INFO L82 PathProgramCache]: Analyzing trace with hash 463189276, now seen corresponding path program 1 times [2018-10-27 08:58:12,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:58:12,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:58:12,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:58:12,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:58:12,151 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:58:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:58:12,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:58:12,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:58:12,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 08:58:12,517 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:58:12,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 08:58:12,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 08:58:12,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 08:58:12,518 INFO L87 Difference]: Start difference. First operand 43779 states and 63266 transitions. Second operand 5 states. [2018-10-27 08:58:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:58:46,476 INFO L93 Difference]: Finished difference Result 132710 states and 204462 transitions. [2018-10-27 08:58:46,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 08:58:46,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-10-27 08:58:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:58:46,836 INFO L225 Difference]: With dead ends: 132710 [2018-10-27 08:58:46,837 INFO L226 Difference]: Without dead ends: 88937 [2018-10-27 08:58:46,939 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 08:58:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88937 states. [2018-10-27 08:58:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88937 to 88211. [2018-10-27 08:58:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88211 states. [2018-10-27 08:58:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88211 states to 88211 states and 122118 transitions. [2018-10-27 08:58:48,720 INFO L78 Accepts]: Start accepts. Automaton has 88211 states and 122118 transitions. Word has length 158 [2018-10-27 08:58:48,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:58:48,720 INFO L481 AbstractCegarLoop]: Abstraction has 88211 states and 122118 transitions. [2018-10-27 08:58:48,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 08:58:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 88211 states and 122118 transitions. [2018-10-27 08:58:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-27 08:58:48,727 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:58:48,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:58:48,728 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:58:48,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:58:48,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1081973083, now seen corresponding path program 1 times [2018-10-27 08:58:48,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:58:48,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:58:48,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:58:48,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:58:48,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:58:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:58:49,021 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:58:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:58:49,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:58:49,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:58:49,452 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:58:49,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:58:49,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:58:49,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:58:49,453 INFO L87 Difference]: Start difference. First operand 88211 states and 122118 transitions. Second operand 6 states. [2018-10-27 08:59:13,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:59:13,560 INFO L93 Difference]: Finished difference Result 208099 states and 304632 transitions. [2018-10-27 08:59:13,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:59:13,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2018-10-27 08:59:13,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:59:14,027 INFO L225 Difference]: With dead ends: 208099 [2018-10-27 08:59:14,028 INFO L226 Difference]: Without dead ends: 119894 [2018-10-27 08:59:14,233 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:59:14,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119894 states. [2018-10-27 08:59:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119894 to 119539. [2018-10-27 08:59:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119539 states. [2018-10-27 08:59:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119539 states to 119539 states and 161766 transitions. [2018-10-27 08:59:16,417 INFO L78 Accepts]: Start accepts. Automaton has 119539 states and 161766 transitions. Word has length 186 [2018-10-27 08:59:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:59:16,417 INFO L481 AbstractCegarLoop]: Abstraction has 119539 states and 161766 transitions. [2018-10-27 08:59:16,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:59:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 119539 states and 161766 transitions. [2018-10-27 08:59:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 08:59:16,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:59:16,426 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, 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] [2018-10-27 08:59:16,427 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:59:16,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:59:16,427 INFO L82 PathProgramCache]: Analyzing trace with hash 106766042, now seen corresponding path program 1 times [2018-10-27 08:59:16,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:59:16,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:59:16,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:59:16,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:59:16,429 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:59:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:59:16,691 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:59:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:59:16,755 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:59:16,755 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:59:16,756 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-10-27 08:59:16,758 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5550], [5552], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-27 08:59:16,807 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:59:16,807 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:59:17,309 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:59:17,310 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 08:59:17,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:59:17,351 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:59:19,073 INFO L227 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 75.65% of their original sizes. [2018-10-27 08:59:19,074 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:59:19,317 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-10-27 08:59:19,317 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:59:19,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:59:19,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 08:59:19,321 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:59:19,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:59:19,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:59:19,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:59:19,323 INFO L87 Difference]: Start difference. First operand 119539 states and 161766 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 08:59:40,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:59:40,109 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 08:59:40,116 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 08:59:40,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:59:40 BoogieIcfgContainer [2018-10-27 08:59:40,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:59:40,119 INFO L168 Benchmark]: Toolchain (without parser) took 227802.55 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 953.0 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,120 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 08:59:40,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3405.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 735.67 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 849.9 MB). Free memory was 999.8 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,122 INFO L168 Benchmark]: Boogie Preprocessor took 488.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,123 INFO L168 Benchmark]: RCFGBuilder took 18264.45 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 175.1 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 479.6 MB). Peak memory consumption was 660.3 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,124 INFO L168 Benchmark]: TraceAbstraction took 204900.94 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -985.1 MB). Peak memory consumption was 255.9 MB. Max. memory is 7.1 GB. [2018-10-27 08:59:40,130 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3405.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.8 MB in the end (delta: 392.7 MB). Peak memory consumption was 392.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 735.67 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 849.9 MB). Free memory was 999.8 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 488.55 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18264.45 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 175.1 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 479.6 MB). Peak memory consumption was 660.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204900.94 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 2.7 GB in the end (delta: -985.1 MB). Peak memory consumption was 255.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 154). Cancelled while BasicCegarLoop was constructing difference of abstraction (119539states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (19342 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 204.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3822 SDtfs, 36928 SDslu, 4507 SDs, 0 SdLazy, 66317 SolverSat, 14265 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 157.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 276 GetRequests, 233 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119539occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978789651240423 AbsIntWeakeningRatio, 0.12556053811659193 AbsIntAvgWeakeningVarsNumRemoved, 17.19730941704036 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1407 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1015 ConstructedInterpolants, 0 QuantifiedInterpolants, 662486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 327/392 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown