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-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:32:42,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:32:42,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:32:42,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:32:42,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:32:42,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:32:42,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:32:42,214 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:32:42,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:32:42,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:32:42,217 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:32:42,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:32:42,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:32:42,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:32:42,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:32:42,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:32:42,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:32:42,224 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:32:42,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:32:42,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:32:42,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:32:42,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:32:42,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:32:42,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:32:42,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:32:42,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:32:42,235 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:32:42,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:32:42,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:32:42,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:32:42,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:32:42,242 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:32:42,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:32:42,243 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:32:42,244 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:32:42,244 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:32:42,245 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:32:42,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:32:42,269 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:32:42,269 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:32:42,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:32:42,270 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:32:42,270 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:32:42,270 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:32:42,271 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:32:42,271 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:32:42,271 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:32:42,271 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:32:42,271 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:32:42,272 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:32:42,272 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:32:42,273 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:32:42,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:32:42,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:32:42,273 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:32:42,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:32:42,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:32:42,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:32:42,274 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:32:42,274 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:32:42,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:32:42,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:32:42,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:32:42,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:32:42,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:32:42,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:32:42,276 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:32:42,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:32:42,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:32:42,276 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:32:42,277 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:32:42,277 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:32:42,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:32:42,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:32:42,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:32:42,345 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:32:42,345 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:32:42,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-11-07 20:32:42,416 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afa6ad24/61417af87a5846178734d4258091df20/FLAG36b25e1f3 [2018-11-07 20:32:43,222 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:32:43,223 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label57_true-unreach-call.c [2018-11-07 20:32:43,258 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afa6ad24/61417af87a5846178734d4258091df20/FLAG36b25e1f3 [2018-11-07 20:32:43,275 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afa6ad24/61417af87a5846178734d4258091df20 [2018-11-07 20:32:43,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:32:43,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:32:43,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:32:43,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:32:43,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:32:43,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:32:43" (1/1) ... [2018-11-07 20:32:43,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae48c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:43, skipping insertion in model container [2018-11-07 20:32:43,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:32:43" (1/1) ... [2018-11-07 20:32:43,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:32:43,505 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:32:45,012 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:32:45,018 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:32:45,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:32:45,765 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:32:45,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45 WrapperNode [2018-11-07 20:32:45,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:32:45,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:32:45,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:32:45,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:32:45,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:32:46,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:32:46,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:32:46,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:32:46,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (1/1) ... [2018-11-07 20:32:46,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:32:46,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:32:46,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:32:46,417 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:32:46,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (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 20:32:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:32:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:32:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:32:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 20:32:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 20:32:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 20:32:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 20:32:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 20:32:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 20:32:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:32:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:32:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:32:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:32:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:32:46,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:32:56,860 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:32:56,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:32:56 BoogieIcfgContainer [2018-11-07 20:32:56,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:32:56,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:32:56,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:32:56,865 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:32:56,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:32:43" (1/3) ... [2018-11-07 20:32:56,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:32:56, skipping insertion in model container [2018-11-07 20:32:56,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:32:45" (2/3) ... [2018-11-07 20:32:56,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:32:56, skipping insertion in model container [2018-11-07 20:32:56,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:32:56" (3/3) ... [2018-11-07 20:32:56,869 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label57_true-unreach-call.c [2018-11-07 20:32:56,879 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:32:56,890 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:32:56,908 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:32:56,954 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:32:56,954 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:32:56,954 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:32:56,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:32:56,955 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:32:56,955 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:32:56,955 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:32:56,955 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:32:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 20:32:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-07 20:32:57,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:32:57,019 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:32:57,021 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:32:57,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:32:57,027 INFO L82 PathProgramCache]: Analyzing trace with hash -143907844, now seen corresponding path program 1 times [2018-11-07 20:32:57,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:32:57,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:32:57,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:32:57,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:32:57,080 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:32:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:32:57,556 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:32:57,710 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 20:32:57,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:32:57,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:32:57,713 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:32:57,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:32:57,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:32:57,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:32:57,749 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-07 20:33:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:33:06,033 INFO L93 Difference]: Finished difference Result 3087 states and 5699 transitions. [2018-11-07 20:33:06,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:33:06,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-07 20:33:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:33:06,074 INFO L225 Difference]: With dead ends: 3087 [2018-11-07 20:33:06,074 INFO L226 Difference]: Without dead ends: 1965 [2018-11-07 20:33:06,086 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:33:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2018-11-07 20:33:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1959. [2018-11-07 20:33:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-11-07 20:33:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3512 transitions. [2018-11-07 20:33:06,249 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3512 transitions. Word has length 68 [2018-11-07 20:33:06,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:33:06,250 INFO L480 AbstractCegarLoop]: Abstraction has 1959 states and 3512 transitions. [2018-11-07 20:33:06,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:33:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3512 transitions. [2018-11-07 20:33:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-07 20:33:06,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:33:06,266 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:33:06,266 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:33:06,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:33:06,268 INFO L82 PathProgramCache]: Analyzing trace with hash 484004430, now seen corresponding path program 1 times [2018-11-07 20:33:06,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:33:06,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:06,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:33:06,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:06,271 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:33:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:33:06,677 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:33:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:33:07,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:33:07,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:33:07,027 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:33:07,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:33:07,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:33:07,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:33:07,030 INFO L87 Difference]: Start difference. First operand 1959 states and 3512 transitions. Second operand 6 states. [2018-11-07 20:33:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:33:22,220 INFO L93 Difference]: Finished difference Result 7204 states and 13315 transitions. [2018-11-07 20:33:22,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:33:22,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-07 20:33:22,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:33:22,259 INFO L225 Difference]: With dead ends: 7204 [2018-11-07 20:33:22,259 INFO L226 Difference]: Without dead ends: 5251 [2018-11-07 20:33:22,272 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 20:33:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2018-11-07 20:33:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 5221. [2018-11-07 20:33:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2018-11-07 20:33:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 8297 transitions. [2018-11-07 20:33:22,452 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 8297 transitions. Word has length 145 [2018-11-07 20:33:22,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:33:22,455 INFO L480 AbstractCegarLoop]: Abstraction has 5221 states and 8297 transitions. [2018-11-07 20:33:22,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:33:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 8297 transitions. [2018-11-07 20:33:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-07 20:33:22,470 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:33:22,471 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 20:33:22,471 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:33:22,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:33:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1149053844, now seen corresponding path program 1 times [2018-11-07 20:33:22,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:33:22,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:22,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:33:22,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:22,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:33:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:33:22,869 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:33:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:33:23,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:33:23,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 20:33:23,297 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:33:23,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 20:33:23,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 20:33:23,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 20:33:23,301 INFO L87 Difference]: Start difference. First operand 5221 states and 8297 transitions. Second operand 6 states. [2018-11-07 20:33:33,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:33:33,837 INFO L93 Difference]: Finished difference Result 13943 states and 22202 transitions. [2018-11-07 20:33:33,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:33:33,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-07 20:33:33,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:33:33,889 INFO L225 Difference]: With dead ends: 13943 [2018-11-07 20:33:33,889 INFO L226 Difference]: Without dead ends: 8728 [2018-11-07 20:33:33,914 INFO L604 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 [2018-11-07 20:33:33,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8728 states. [2018-11-07 20:33:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8728 to 8651. [2018-11-07 20:33:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8651 states. [2018-11-07 20:33:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8651 states to 8651 states and 12559 transitions. [2018-11-07 20:33:34,143 INFO L78 Accepts]: Start accepts. Automaton has 8651 states and 12559 transitions. Word has length 176 [2018-11-07 20:33:34,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:33:34,144 INFO L480 AbstractCegarLoop]: Abstraction has 8651 states and 12559 transitions. [2018-11-07 20:33:34,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 20:33:34,144 INFO L276 IsEmpty]: Start isEmpty. Operand 8651 states and 12559 transitions. [2018-11-07 20:33:34,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-07 20:33:34,151 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:33:34,152 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:33:34,152 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:33:34,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:33:34,153 INFO L82 PathProgramCache]: Analyzing trace with hash -492046690, now seen corresponding path program 1 times [2018-11-07 20:33:34,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:33:34,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:34,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:33:34,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:33:34,154 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:33:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:33:34,730 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 122 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 20:33:34,730 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:33:34,730 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:33:34,731 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-11-07 20:33:34,742 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3071], [3073], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3155], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 20:33:34,822 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:33:34,822 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:33:35,536 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:33:35,538 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 20:33:35,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:33:35,585 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:33:36,394 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 71.99% of their original sizes. [2018-11-07 20:33:36,394 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:33:36,797 INFO L415 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-11-07 20:33:36,797 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:33:36,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:33:36,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 20:33:36,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:33:36,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:33:36,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:33:36,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:33:36,801 INFO L87 Difference]: Start difference. First operand 8651 states and 12559 transitions. Second operand 10 states. [2018-11-07 20:33:50,053 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:34:38,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:34:38,543 INFO L93 Difference]: Finished difference Result 18105 states and 26242 transitions. [2018-11-07 20:34:38,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 20:34:38,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 221 [2018-11-07 20:34:38,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:34:38,584 INFO L225 Difference]: With dead ends: 18105 [2018-11-07 20:34:38,585 INFO L226 Difference]: Without dead ends: 9460 [2018-11-07 20:34:38,607 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-11-07 20:34:38,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9460 states. [2018-11-07 20:34:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9460 to 9455. [2018-11-07 20:34:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9455 states. [2018-11-07 20:34:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 13373 transitions. [2018-11-07 20:34:38,796 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 13373 transitions. Word has length 221 [2018-11-07 20:34:38,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:34:38,796 INFO L480 AbstractCegarLoop]: Abstraction has 9455 states and 13373 transitions. [2018-11-07 20:34:38,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:34:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 13373 transitions. [2018-11-07 20:34:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-07 20:34:38,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:34:38,805 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:34:38,805 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:34:38,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:34:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1740249327, now seen corresponding path program 1 times [2018-11-07 20:34:38,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:34:38,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:34:38,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:34:38,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:34:38,807 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:34:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:34:39,199 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:34:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 123 proven. 9 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-07 20:34:39,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:34:39,553 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:34:39,554 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-11-07 20:34:39,554 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3071], [3073], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3155], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 20:34:39,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:34:39,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:34:40,958 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:34:40,958 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:34:40,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:34:40,963 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:34:41,370 INFO L227 lantSequenceWeakener]: Weakened 272 states. On average, predicates are now at 71.52% of their original sizes. [2018-11-07 20:34:41,370 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:34:41,594 INFO L415 sIntCurrentIteration]: We unified 274 AI predicates to 274 [2018-11-07 20:34:41,595 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:34:41,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:34:41,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-07 20:34:41,595 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:34:41,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:34:41,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:34:41,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:34:41,598 INFO L87 Difference]: Start difference. First operand 9455 states and 13373 transitions. Second operand 11 states. [2018-11-07 20:34:45,690 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:35:58,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:35:58,233 INFO L93 Difference]: Finished difference Result 20509 states and 29487 transitions. [2018-11-07 20:35:58,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 20:35:58,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 275 [2018-11-07 20:35:58,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:35:58,266 INFO L225 Difference]: With dead ends: 20509 [2018-11-07 20:35:58,266 INFO L226 Difference]: Without dead ends: 11864 [2018-11-07 20:35:58,285 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 283 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:35:58,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11864 states. [2018-11-07 20:35:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11864 to 11855. [2018-11-07 20:35:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11855 states. [2018-11-07 20:35:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11855 states to 11855 states and 15828 transitions. [2018-11-07 20:35:58,497 INFO L78 Accepts]: Start accepts. Automaton has 11855 states and 15828 transitions. Word has length 275 [2018-11-07 20:35:58,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:35:58,498 INFO L480 AbstractCegarLoop]: Abstraction has 11855 states and 15828 transitions. [2018-11-07 20:35:58,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:35:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 11855 states and 15828 transitions. [2018-11-07 20:35:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-07 20:35:58,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:35:58,510 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 20:35:58,510 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:35:58,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:35:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash -722644406, now seen corresponding path program 1 times [2018-11-07 20:35:58,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:35:58,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:35:58,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:35:58,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:35:58,512 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:35:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:35:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 189 proven. 212 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 20:35:58,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:35:58,859 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:35:58,859 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 323 with the following transitions: [2018-11-07 20:35:58,859 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3035], [3043], [3051], [3059], [3067], [3071], [3073], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3151], [3152], [3155], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 20:35:58,864 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:35:58,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:35:59,199 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:35:59,199 INFO L272 AbstractInterpreter]: Visited 110 different actions 317 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:35:59,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:35:59,206 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:35:59,846 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 71.73% of their original sizes. [2018-11-07 20:35:59,846 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:36:01,418 INFO L415 sIntCurrentIteration]: We unified 321 AI predicates to 321 [2018-11-07 20:36:01,418 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:36:01,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:36:01,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-07 20:36:01,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:36:01,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 20:36:01,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 20:36:01,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-07 20:36:01,420 INFO L87 Difference]: Start difference. First operand 11855 states and 15828 transitions. Second operand 13 states. Received shutdown request... [2018-11-07 20:36:05,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 20:36:05,680 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 20:36:05,686 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 20:36:05,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:36:05 BoogieIcfgContainer [2018-11-07 20:36:05,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:36:05,687 INFO L168 Benchmark]: Toolchain (without parser) took 202399.47 ms. Allocated memory was 1.5 GB in the beginning and 7.0 GB in the end (delta: 5.5 GB). Free memory was 1.4 GB in the beginning and 4.2 GB in the end (delta: -2.8 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,688 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-11-07 20:36:05,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2476.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 392.63 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 817.4 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,691 INFO L168 Benchmark]: Boogie Preprocessor took 256.64 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: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,692 INFO L168 Benchmark]: RCFGBuilder took 10443.67 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 168.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 669.3 MB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,693 INFO L168 Benchmark]: TraceAbstraction took 188824.73 ms. Allocated memory was 2.5 GB in the beginning and 7.0 GB in the end (delta: 4.5 GB). Free memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:36:05,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2476.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 392.63 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 817.4 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 256.64 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: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10443.67 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 168.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 669.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 188824.73 ms. Allocated memory was 2.5 GB in the beginning and 7.0 GB in the end (delta: 4.5 GB). Free memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (11855states) and FLOYD_HOARE automaton (currently 15 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (328 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 188.7s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 176.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4006 SDtfs, 16441 SDslu, 3013 SDs, 0 SdLazy, 28847 SolverSat, 5686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 860 GetRequests, 742 SyntacticMatches, 56 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11855occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9974213729721868 AbsIntWeakeningRatio, 0.1067484662576687 AbsIntAvgWeakeningVarsNumRemoved, 12.354601226993864 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 127 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1201 ConstructedInterpolants, 0 QuantifiedInterpolants, 860039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 639/931 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown