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/Problem12_label05_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:16:11,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:16:11,046 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:16:11,059 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:16:11,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:16:11,061 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:16:11,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:16:11,064 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:16:11,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:16:11,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:16:11,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:16:11,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:16:11,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:16:11,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:16:11,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:16:11,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:16:11,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:16:11,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:16:11,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:16:11,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:16:11,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:16:11,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:16:11,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:16:11,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:16:11,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:16:11,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:16:11,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:16:11,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:16:11,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:16:11,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:16:11,100 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:16:11,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:16:11,101 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:16:11,101 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:16:11,102 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:16:11,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:16:11,103 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 20:16:11,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:16:11,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:16:11,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:16:11,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:16:11,120 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:16:11,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:16:11,121 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:16:11,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:16:11,121 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:16:11,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:16:11,122 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:16:11,122 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:16:11,122 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:16:11,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:16:11,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:16:11,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:16:11,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:16:11,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:16:11,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:16:11,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:16:11,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:16:11,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:16:11,125 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:16:11,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:16:11,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:16:11,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:16:11,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:16:11,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:16:11,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:16:11,126 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:16:11,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:16:11,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:16:11,127 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:16:11,127 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:16:11,127 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:16:11,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:16:11,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:16:11,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:16:11,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:16:11,201 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:16:11,202 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label05_true-unreach-call.c [2018-11-07 20:16:11,273 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be91fb4fe/1e6747bb231c4289bc74cd3d3ae521e0/FLAG5f3812b86 [2018-11-07 20:16:12,079 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:16:12,080 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label05_true-unreach-call.c [2018-11-07 20:16:12,118 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be91fb4fe/1e6747bb231c4289bc74cd3d3ae521e0/FLAG5f3812b86 [2018-11-07 20:16:12,139 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be91fb4fe/1e6747bb231c4289bc74cd3d3ae521e0 [2018-11-07 20:16:12,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:16:12,155 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:16:12,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:16:12,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:16:12,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:16:12,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:16:12" (1/1) ... [2018-11-07 20:16:12,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bce9b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:12, skipping insertion in model container [2018-11-07 20:16:12,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:16:12" (1/1) ... [2018-11-07 20:16:12,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:16:12,342 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:16:13,739 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:16:13,744 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:16:14,289 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:16:14,325 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:16:14,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14 WrapperNode [2018-11-07 20:16:14,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:16:14,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:16:14,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:16:14,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:16:14,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:16:14,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:16:14,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:16:14,662 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:16:14,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (1/1) ... [2018-11-07 20:16:14,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:16:14,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:16:14,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:16:14,902 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:16:14,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (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 20:16:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:16:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:16:14,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:16:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 20:16:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 20:16:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 20:16:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 20:16:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 20:16:14,977 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 20:16:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:16:14,978 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:16:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:16:14,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:16:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:16:14,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:16:23,730 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:16:23,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:16:23 BoogieIcfgContainer [2018-11-07 20:16:23,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:16:23,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:16:23,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:16:23,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:16:23,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:16:12" (1/3) ... [2018-11-07 20:16:23,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb453e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:16:23, skipping insertion in model container [2018-11-07 20:16:23,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:16:14" (2/3) ... [2018-11-07 20:16:23,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb453e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:16:23, skipping insertion in model container [2018-11-07 20:16:23,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:16:23" (3/3) ... [2018-11-07 20:16:23,739 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label05_true-unreach-call.c [2018-11-07 20:16:23,749 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:16:23,761 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:16:23,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:16:23,821 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:16:23,821 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:16:23,821 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:16:23,821 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:16:23,821 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:16:23,822 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:16:23,822 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:16:23,822 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:16:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-11-07 20:16:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-07 20:16:23,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:16:23,872 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] [2018-11-07 20:16:23,874 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:16:23,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:16:23,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1226611092, now seen corresponding path program 1 times [2018-11-07 20:16:23,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:16:23,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:23,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:16:23,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:23,941 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:16:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:16:24,478 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:16:24,613 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 20:16:24,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:16:24,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:16:24,616 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:16:24,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:16:24,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:16:24,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:16:24,666 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-11-07 20:16:32,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:16:32,574 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-11-07 20:16:32,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:16:32,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-07 20:16:32,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:16:32,611 INFO L225 Difference]: With dead ends: 2446 [2018-11-07 20:16:32,611 INFO L226 Difference]: Without dead ends: 1604 [2018-11-07 20:16:32,622 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 [2018-11-07 20:16:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-11-07 20:16:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-11-07 20:16:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-07 20:16:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2969 transitions. [2018-11-07 20:16:32,787 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2969 transitions. Word has length 66 [2018-11-07 20:16:32,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:16:32,788 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2969 transitions. [2018-11-07 20:16:32,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:16:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2969 transitions. [2018-11-07 20:16:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-07 20:16:32,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:16:32,798 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, 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 20:16:32,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:16:32,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:16:32,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2035873030, now seen corresponding path program 1 times [2018-11-07 20:16:32,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:16:32,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:32,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:16:32,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:32,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:16:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:16:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:16:33,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:16:33,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:16:33,156 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:16:33,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:16:33,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:16:33,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:16:33,159 INFO L87 Difference]: Start difference. First operand 1604 states and 2969 transitions. Second operand 5 states. [2018-11-07 20:16:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:16:43,036 INFO L93 Difference]: Finished difference Result 4038 states and 7427 transitions. [2018-11-07 20:16:43,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 20:16:43,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-07 20:16:43,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:16:43,054 INFO L225 Difference]: With dead ends: 4038 [2018-11-07 20:16:43,054 INFO L226 Difference]: Without dead ends: 2440 [2018-11-07 20:16:43,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:16:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-11-07 20:16:43,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2413. [2018-11-07 20:16:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2413 states. [2018-11-07 20:16:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 4141 transitions. [2018-11-07 20:16:43,134 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 4141 transitions. Word has length 140 [2018-11-07 20:16:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:16:43,135 INFO L480 AbstractCegarLoop]: Abstraction has 2413 states and 4141 transitions. [2018-11-07 20:16:43,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:16:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 4141 transitions. [2018-11-07 20:16:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-07 20:16:43,139 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:16:43,139 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, 1, 1, 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 20:16:43,139 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:16:43,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:16:43,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1332120426, now seen corresponding path program 1 times [2018-11-07 20:16:43,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:16:43,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:43,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:16:43,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:16:43,141 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:16:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:16:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 20:16:43,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:16:43,388 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:16:43,389 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-07 20:16:43,391 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:16:43,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:16:43,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:16:44,175 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:16:44,177 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:16:44,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:16:44,219 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:16:44,742 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 76.32% of their original sizes. [2018-11-07 20:16:44,742 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:16:45,127 INFO L415 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-11-07 20:16:45,127 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:16:45,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:16:45,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-11-07 20:16:45,128 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:16:45,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 20:16:45,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 20:16:45,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-07 20:16:45,130 INFO L87 Difference]: Start difference. First operand 2413 states and 4141 transitions. Second operand 11 states. [2018-11-07 20:16:55,062 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:17:33,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:17:33,950 INFO L93 Difference]: Finished difference Result 7130 states and 12346 transitions. [2018-11-07 20:17:33,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 20:17:33,951 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2018-11-07 20:17:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:17:33,974 INFO L225 Difference]: With dead ends: 7130 [2018-11-07 20:17:33,974 INFO L226 Difference]: Without dead ends: 4723 [2018-11-07 20:17:33,983 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2018-11-07 20:17:33,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2018-11-07 20:17:34,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4720. [2018-11-07 20:17:34,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4720 states. [2018-11-07 20:17:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6479 transitions. [2018-11-07 20:17:34,100 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6479 transitions. Word has length 142 [2018-11-07 20:17:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:17:34,101 INFO L480 AbstractCegarLoop]: Abstraction has 4720 states and 6479 transitions. [2018-11-07 20:17:34,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 20:17:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6479 transitions. [2018-11-07 20:17:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-07 20:17:34,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:17:34,108 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, 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] [2018-11-07 20:17:34,108 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:17:34,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:17:34,109 INFO L82 PathProgramCache]: Analyzing trace with hash 188591852, now seen corresponding path program 1 times [2018-11-07 20:17:34,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:17:34,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:17:34,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:17:34,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:17:34,110 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:17:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:17:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 20:17:34,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:17:34,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:17:34,537 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:17:34,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:17:34,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:17:34,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:17:34,539 INFO L87 Difference]: Start difference. First operand 4720 states and 6479 transitions. Second operand 4 states. [2018-11-07 20:17:43,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:17:43,022 INFO L93 Difference]: Finished difference Result 11805 states and 19123 transitions. [2018-11-07 20:17:43,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:17:43,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 288 [2018-11-07 20:17:43,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:17:43,075 INFO L225 Difference]: With dead ends: 11805 [2018-11-07 20:17:43,075 INFO L226 Difference]: Without dead ends: 9398 [2018-11-07 20:17:43,091 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:17:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2018-11-07 20:17:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9398. [2018-11-07 20:17:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9398 states. [2018-11-07 20:17:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9398 states to 9398 states and 12999 transitions. [2018-11-07 20:17:43,323 INFO L78 Accepts]: Start accepts. Automaton has 9398 states and 12999 transitions. Word has length 288 [2018-11-07 20:17:43,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:17:43,324 INFO L480 AbstractCegarLoop]: Abstraction has 9398 states and 12999 transitions. [2018-11-07 20:17:43,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:17:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 9398 states and 12999 transitions. [2018-11-07 20:17:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-07 20:17:43,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:17:43,334 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, 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] [2018-11-07 20:17:43,334 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:17:43,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:17:43,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1743505703, now seen corresponding path program 1 times [2018-11-07 20:17:43,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:17:43,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:17:43,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:17:43,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:17:43,336 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:17:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:17:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:17:43,928 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:17:43,928 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:17:43,929 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 294 with the following transitions: [2018-11-07 20:17:43,929 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2388], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:17:43,950 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:17:43,950 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:17:44,088 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:17:44,318 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:17:44,318 INFO L272 AbstractInterpreter]: Visited 158 different actions 310 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:17:44,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:17:44,320 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:17:44,964 INFO L227 lantSequenceWeakener]: Weakened 45 states. On average, predicates are now at 75.36% of their original sizes. [2018-11-07 20:17:44,964 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:17:45,423 INFO L415 sIntCurrentIteration]: We unified 292 AI predicates to 292 [2018-11-07 20:17:45,423 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:17:45,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:17:45,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-07 20:17:45,424 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:17:45,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-07 20:17:45,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-07 20:17:45,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-07 20:17:45,425 INFO L87 Difference]: Start difference. First operand 9398 states and 12999 transitions. Second operand 19 states. [2018-11-07 20:19:31,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:19:31,199 INFO L93 Difference]: Finished difference Result 18858 states and 27144 transitions. [2018-11-07 20:19:31,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-07 20:19:31,199 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 293 [2018-11-07 20:19:31,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:19:31,253 INFO L225 Difference]: With dead ends: 18858 [2018-11-07 20:19:31,253 INFO L226 Difference]: Without dead ends: 11773 [2018-11-07 20:19:31,280 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2018-11-07 20:19:31,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11773 states. [2018-11-07 20:19:31,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11773 to 11761. [2018-11-07 20:19:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11761 states. [2018-11-07 20:19:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11761 states to 11761 states and 15494 transitions. [2018-11-07 20:19:31,549 INFO L78 Accepts]: Start accepts. Automaton has 11761 states and 15494 transitions. Word has length 293 [2018-11-07 20:19:31,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:19:31,550 INFO L480 AbstractCegarLoop]: Abstraction has 11761 states and 15494 transitions. [2018-11-07 20:19:31,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-07 20:19:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 11761 states and 15494 transitions. [2018-11-07 20:19:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-11-07 20:19:31,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:19:31,565 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:19:31,566 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:19:31,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:19:31,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1960118905, now seen corresponding path program 1 times [2018-11-07 20:19:31,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:19:31,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:19:31,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:19:31,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:19:31,572 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:19:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:19:31,945 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:19:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 183 proven. 141 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 20:19:32,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:19:32,296 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:19:32,296 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2018-11-07 20:19:32,297 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2295], [2297], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2368], [2369], [2373], [2377], [2381], [2385], [2388], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-11-07 20:19:32,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:19:32,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:19:32,407 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:19:33,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:19:33,342 INFO L272 AbstractInterpreter]: Visited 155 different actions 304 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 20:19:33,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:19:33,345 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:19:33,850 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 76.75% of their original sizes. [2018-11-07 20:19:33,850 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:19:34,359 INFO L415 sIntCurrentIteration]: We unified 360 AI predicates to 360 [2018-11-07 20:19:34,359 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:19:34,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:19:34,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [5] total 26 [2018-11-07 20:19:34,360 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:19:34,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:19:34,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:19:34,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:19:34,361 INFO L87 Difference]: Start difference. First operand 11761 states and 15494 transitions. Second operand 23 states. Received shutdown request... [2018-11-07 20:19:45,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 20:19:45,877 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 20:19:45,883 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 20:19:45,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:19:45 BoogieIcfgContainer [2018-11-07 20:19:45,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:19:45,885 INFO L168 Benchmark]: Toolchain (without parser) took 213730.83 ms. Allocated memory was 1.5 GB in the beginning and 5.4 GB in the end (delta: 3.9 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 302.8 MB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,886 INFO L168 Benchmark]: CDTParser took 0.20 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 20:19:45,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2170.03 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 333.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 790.1 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,889 INFO L168 Benchmark]: Boogie Preprocessor took 239.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,889 INFO L168 Benchmark]: RCFGBuilder took 8829.53 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 155.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -162.2 MB). Peak memory consumption was 667.1 MB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,890 INFO L168 Benchmark]: TraceAbstraction took 202152.13 ms. Allocated memory was 2.5 GB in the beginning and 5.4 GB in the end (delta: 3.0 GB). Free memory was 2.4 GB in the beginning and 1.1 GB in the end (delta: 1.3 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. [2018-11-07 20:19:45,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2170.03 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 333.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 790.1 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 239.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8829.53 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 155.7 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -162.2 MB). Peak memory consumption was 667.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202152.13 ms. Allocated memory was 2.5 GB in the beginning and 5.4 GB in the end (delta: 3.0 GB). Free memory was 2.4 GB in the beginning and 1.1 GB in the end (delta: 1.3 GB). Peak memory consumption was 4.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 189]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 189). Cancelled while BasicCegarLoop was constructing difference of abstraction (11761states) and FLOYD_HOARE automaton (currently 19 states, 23 states before enhancement),while ReachableStatesComputation was computing reachable states (2055 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 202.0s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 192.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2570 SDtfs, 17676 SDslu, 1089 SDs, 0 SdLazy, 33090 SolverSat, 5247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 843 GetRequests, 753 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11761occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9974257068661919 AbsIntWeakeningRatio, 0.1021437578814628 AbsIntAvgWeakeningVarsNumRemoved, 17.08827238335435 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 42 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1290 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1284 ConstructedInterpolants, 0 QuantifiedInterpolants, 763021 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 707/905 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown