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/Problem19_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:55:17,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:55:17,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:55:17,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:55:17,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:55:17,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:55:17,248 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:55:17,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:55:17,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:55:17,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:55:17,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:55:17,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:55:17,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:55:17,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:55:17,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:55:17,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:55:17,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:55:17,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:55:17,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:55:17,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:55:17,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:55:17,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:55:17,269 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:55:17,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:55:17,270 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:55:17,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:55:17,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:55:17,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:55:17,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:55:17,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:55:17,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:55:17,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:55:17,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:55:17,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:55:17,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:55:17,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:55:17,281 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 [2018-11-12 19:55:17,296 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:55:17,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:55:17,297 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:55:17,297 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:55:17,297 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:55:17,297 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:55:17,298 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:55:17,298 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:55:17,298 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:55:17,298 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:55:17,298 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:55:17,299 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:55:17,299 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:55:17,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:55:17,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:55:17,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:55:17,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:55:17,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:55:17,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:55:17,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:55:17,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:55:17,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:55:17,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:55:17,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:55:17,301 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:55:17,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:55:17,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:55:17,302 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:55:17,302 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:55:17,303 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:55:17,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:55:17,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:55:17,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:55:17,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:55:17,373 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:55:17,374 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-11-12 19:55:17,442 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d54cc02/9513f885b17448d6a870347ab747d4e6/FLAGfad4bdc16 [2018-11-12 19:55:18,349 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:55:18,350 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-11-12 19:55:18,395 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d54cc02/9513f885b17448d6a870347ab747d4e6/FLAGfad4bdc16 [2018-11-12 19:55:18,410 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27d54cc02/9513f885b17448d6a870347ab747d4e6 [2018-11-12 19:55:18,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:55:18,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:55:18,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:55:18,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:55:18,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:55:18,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:55:18" (1/1) ... [2018-11-12 19:55:18,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb9594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:18, skipping insertion in model container [2018-11-12 19:55:18,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:55:18" (1/1) ... [2018-11-12 19:55:18,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:55:18,713 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:55:20,806 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:55:20,811 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:55:21,953 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:55:22,012 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:55:22,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22 WrapperNode [2018-11-12 19:55:22,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:55:22,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:55:22,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:55:22,014 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:55:22,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:55:22,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:55:22,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:55:22,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:55:22,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (1/1) ... [2018-11-12 19:55:22,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:55:22,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:55:22,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:55:22,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:55:22,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (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 [2018-11-12 19:55:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:55:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:55:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:55:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-12 19:55:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-12 19:55:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-12 19:55:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-12 19:55:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 19:55:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 19:55:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 19:55:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 19:55:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:55:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:55:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:55:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:55:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:55:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:55:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:55:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:55:36,918 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:55:36,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:55:36 BoogieIcfgContainer [2018-11-12 19:55:36,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:55:36,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:55:36,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:55:36,924 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:55:36,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:55:18" (1/3) ... [2018-11-12 19:55:36,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2d7016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:55:36, skipping insertion in model container [2018-11-12 19:55:36,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:55:22" (2/3) ... [2018-11-12 19:55:36,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2d7016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:55:36, skipping insertion in model container [2018-11-12 19:55:36,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:55:36" (3/3) ... [2018-11-12 19:55:36,928 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-11-12 19:55:36,939 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:55:36,952 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:55:36,970 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:55:37,024 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:55:37,024 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:55:37,024 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:55:37,024 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:55:37,024 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:55:37,025 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:55:37,025 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:55:37,025 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:55:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-12 19:55:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-12 19:55:37,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:37,096 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] [2018-11-12 19:55:37,098 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:37,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:37,105 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-11-12 19:55:37,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:37,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:37,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:37,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:37,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:37,584 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:55:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:55:37,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:55:37,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 19:55:37,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:37,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 19:55:37,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 19:55:37,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:55:37,731 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-12 19:55:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:55:51,070 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-12 19:55:51,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 19:55:51,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-12 19:55:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:55:51,116 INFO L225 Difference]: With dead ends: 4998 [2018-11-12 19:55:51,117 INFO L226 Difference]: Without dead ends: 3218 [2018-11-12 19:55:51,130 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 19:55:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-12 19:55:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-12 19:55:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-12 19:55:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-12 19:55:51,359 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-11-12 19:55:51,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:55:51,362 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-12 19:55:51,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 19:55:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-12 19:55:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-12 19:55:51,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:55:51,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:55:51,374 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:55:51,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:55:51,375 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-11-12 19:55:51,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:55:51,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:51,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:55:51,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:55:51,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:55:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:55:51,746 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:55:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:55:52,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:55:52,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:55:52,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:55:52,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:55:52,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:55:52,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:55:52,110 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-12 19:56:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:56:15,515 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-12 19:56:15,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:15,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-12 19:56:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:56:15,553 INFO L225 Difference]: With dead ends: 9340 [2018-11-12 19:56:15,554 INFO L226 Difference]: Without dead ends: 6131 [2018-11-12 19:56:15,565 INFO L604 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 [2018-11-12 19:56:15,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-12 19:56:15,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-12 19:56:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-12 19:56:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-12 19:56:15,748 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 135 [2018-11-12 19:56:15,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:56:15,748 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-12 19:56:15,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:56:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-12 19:56:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-12 19:56:15,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:56:15,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:56:15,754 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:56:15,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:15,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-11-12 19:56:15,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:56:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:15,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:56:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:15,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:56:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:56:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:56:15,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:56:15,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:56:15,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:56:15,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:56:15,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:56:15,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:56:15,999 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-12 19:56:35,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:56:35,896 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-12 19:56:35,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:56:35,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-12 19:56:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:56:35,972 INFO L225 Difference]: With dead ends: 21091 [2018-11-12 19:56:35,973 INFO L226 Difference]: Without dead ends: 15006 [2018-11-12 19:56:36,003 INFO L604 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 [2018-11-12 19:56:36,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-12 19:56:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-12 19:56:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-12 19:56:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-12 19:56:36,357 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 137 [2018-11-12 19:56:36,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:56:36,358 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-12 19:56:36,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:56:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-12 19:56:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-12 19:56:36,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:56:36,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:56:36,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:56:36,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:56:36,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-11-12 19:56:36,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:56:36,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:36,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:56:36,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:56:36,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:56:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:56:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:56:36,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:56:36,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:56:36,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:56:36,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:56:36,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:56:36,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:56:36,912 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-11-12 19:57:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:57:03,792 INFO L93 Difference]: Finished difference Result 58664 states and 93362 transitions. [2018-11-12 19:57:03,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:57:03,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-12 19:57:03,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:57:03,955 INFO L225 Difference]: With dead ends: 58664 [2018-11-12 19:57:03,956 INFO L226 Difference]: Without dead ends: 43853 [2018-11-12 19:57:04,031 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:57:04,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43853 states. [2018-11-12 19:57:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43853 to 43757. [2018-11-12 19:57:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43757 states. [2018-11-12 19:57:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43757 states to 43757 states and 63241 transitions. [2018-11-12 19:57:05,002 INFO L78 Accepts]: Start accepts. Automaton has 43757 states and 63241 transitions. Word has length 159 [2018-11-12 19:57:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:57:05,003 INFO L480 AbstractCegarLoop]: Abstraction has 43757 states and 63241 transitions. [2018-11-12 19:57:05,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:57:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 43757 states and 63241 transitions. [2018-11-12 19:57:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-12 19:57:05,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:57:05,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:57:05,011 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:57:05,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:05,011 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-11-12 19:57:05,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:57:05,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:05,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:57:05,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:05,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:57:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:57:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:57:05,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:57:05,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:57:05,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:57:05,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:57:05,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:57:05,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:57:05,358 INFO L87 Difference]: Start difference. First operand 43757 states and 63241 transitions. Second operand 5 states. [2018-11-12 19:57:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:57:23,173 INFO L93 Difference]: Finished difference Result 132489 states and 204716 transitions. [2018-11-12 19:57:23,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:57:23,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-11-12 19:57:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:57:23,513 INFO L225 Difference]: With dead ends: 132489 [2018-11-12 19:57:23,514 INFO L226 Difference]: Without dead ends: 88738 [2018-11-12 19:57:23,638 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:57:23,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88738 states. [2018-11-12 19:57:25,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88738 to 87955. [2018-11-12 19:57:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87955 states. [2018-11-12 19:57:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87955 states to 87955 states and 121070 transitions. [2018-11-12 19:57:25,564 INFO L78 Accepts]: Start accepts. Automaton has 87955 states and 121070 transitions. Word has length 168 [2018-11-12 19:57:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:57:25,564 INFO L480 AbstractCegarLoop]: Abstraction has 87955 states and 121070 transitions. [2018-11-12 19:57:25,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:57:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 87955 states and 121070 transitions. [2018-11-12 19:57:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-12 19:57:25,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:57:25,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 19:57:25,574 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:57:25,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:25,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-11-12 19:57:25,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:57:25,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:25,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:57:25,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:25,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:57:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:57:26,439 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:57:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:57:26,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:57:26,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 19:57:26,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:57:26,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:57:26,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:57:26,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 19:57:26,601 INFO L87 Difference]: Start difference. First operand 87955 states and 121070 transitions. Second operand 6 states. [2018-11-12 19:57:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:57:46,098 INFO L93 Difference]: Finished difference Result 207678 states and 304081 transitions. [2018-11-12 19:57:46,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:57:46,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-12 19:57:46,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:57:46,480 INFO L225 Difference]: With dead ends: 207678 [2018-11-12 19:57:46,480 INFO L226 Difference]: Without dead ends: 119729 [2018-11-12 19:57:46,629 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 19:57:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119729 states. [2018-11-12 19:57:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119729 to 119325. [2018-11-12 19:57:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119325 states. [2018-11-12 19:57:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119325 states to 119325 states and 160422 transitions. [2018-11-12 19:57:49,909 INFO L78 Accepts]: Start accepts. Automaton has 119325 states and 160422 transitions. Word has length 196 [2018-11-12 19:57:49,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:57:49,910 INFO L480 AbstractCegarLoop]: Abstraction has 119325 states and 160422 transitions. [2018-11-12 19:57:49,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 19:57:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 119325 states and 160422 transitions. [2018-11-12 19:57:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-12 19:57:49,928 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:57:49,929 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, 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] [2018-11-12 19:57:49,929 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:57:49,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-11-12 19:57:49,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:57:49,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:49,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:57:49,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:57:49,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:57:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:57:50,218 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 19:57:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 19:57:50,611 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:57:50,611 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:57:50,612 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-12 19:57:50,616 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], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5630], [5632], [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] [2018-11-12 19:57:50,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:57:50,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:57:51,237 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 19:57:51,240 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1014 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 26 variables. [2018-11-12 19:57:51,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:57:51,289 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 19:57:51,851 INFO L227 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 75.76% of their original sizes. [2018-11-12 19:57:51,851 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 19:57:52,081 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-11-12 19:57:52,081 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 19:57:52,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 19:57:52,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 19:57:52,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:57:52,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 19:57:52,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 19:57:52,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 19:57:52,083 INFO L87 Difference]: Start difference. First operand 119325 states and 160422 transitions. Second operand 7 states. [2018-11-12 19:57:59,798 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 19:58:47,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:58:47,586 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:58:47,592 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:58:47,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:58:47 BoogieIcfgContainer [2018-11-12 19:58:47,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:58:47,593 INFO L168 Benchmark]: Toolchain (without parser) took 209168.37 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 956.4 MB in the end (delta: 459.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,594 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-12 19:58:47,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3585.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 530.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,597 INFO L168 Benchmark]: Boogie Preprocessor took 447.39 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,597 INFO L168 Benchmark]: RCFGBuilder took 13926.42 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 143.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 531.4 MB). Peak memory consumption was 674.5 MB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,599 INFO L168 Benchmark]: TraceAbstraction took 190672.11 ms. Allocated memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: 815.8 MB). Free memory was 1.7 GB in the beginning and 956.4 MB in the end (delta: 788.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-12 19:58:47,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 3585.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 530.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 871.9 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 447.39 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13926.42 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 143.1 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 531.4 MB). Peak memory consumption was 674.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190672.11 ms. Allocated memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: 815.8 MB). Free memory was 1.7 GB in the beginning and 956.4 MB in the end (delta: 788.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (119325states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (69531 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 190.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 177.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4317 SDtfs, 35968 SDslu, 5029 SDs, 0 SdLazy, 69966 SolverSat, 13899 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 115.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 285 GetRequests, 242 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119325occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.997969996663783 AbsIntWeakeningRatio, 0.12017167381974249 AbsIntAvgWeakeningVarsNumRemoved, 19.463519313304722 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 1515 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 717466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown