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/Problem17_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 19:30:34,052 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 19:30:34,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 19:30:34,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 19:30:34,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 19:30:34,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 19:30:34,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 19:30:34,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 19:30:34,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 19:30:34,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 19:30:34,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 19:30:34,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 19:30:34,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 19:30:34,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 19:30:34,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 19:30:34,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 19:30:34,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 19:30:34,086 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 19:30:34,088 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 19:30:34,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 19:30:34,091 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 19:30:34,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 19:30:34,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 19:30:34,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 19:30:34,099 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 19:30:34,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 19:30:34,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 19:30:34,102 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 19:30:34,102 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 19:30:34,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 19:30:34,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 19:30:34,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 19:30:34,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 19:30:34,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 19:30:34,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 19:30:34,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 19:30:34,116 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 19:30:34,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 19:30:34,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 19:30:34,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 19:30:34,148 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 19:30:34,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 19:30:34,150 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 19:30:34,150 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 19:30:34,150 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 19:30:34,150 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 19:30:34,150 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 19:30:34,151 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 19:30:34,151 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 19:30:34,151 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 19:30:34,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 19:30:34,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 19:30:34,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 19:30:34,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 19:30:34,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 19:30:34,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 19:30:34,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 19:30:34,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 19:30:34,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 19:30:34,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 19:30:34,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 19:30:34,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 19:30:34,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 19:30:34,157 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 19:30:34,157 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 19:30:34,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 19:30:34,158 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 19:30:34,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 19:30:34,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 19:30:34,158 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 19:30:34,159 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 19:30:34,159 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 19:30:34,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 19:30:34,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 19:30:34,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 19:30:34,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 19:30:34,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 19:30:34,254 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label18_true-unreach-call.c [2018-11-12 19:30:34,321 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b42172c/6d86fd4970c54dadab0395e19a9cbf3b/FLAG210b7dd78 [2018-11-12 19:30:35,055 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 19:30:35,056 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label18_true-unreach-call.c [2018-11-12 19:30:35,084 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b42172c/6d86fd4970c54dadab0395e19a9cbf3b/FLAG210b7dd78 [2018-11-12 19:30:35,101 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9b42172c/6d86fd4970c54dadab0395e19a9cbf3b [2018-11-12 19:30:35,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 19:30:35,114 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 19:30:35,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 19:30:35,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 19:30:35,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 19:30:35,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:30:35" (1/1) ... [2018-11-12 19:30:35,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b57dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:35, skipping insertion in model container [2018-11-12 19:30:35,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 07:30:35" (1/1) ... [2018-11-12 19:30:35,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 19:30:35,261 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 19:30:36,337 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:30:36,342 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 19:30:36,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 19:30:36,784 INFO L193 MainTranslator]: Completed translation [2018-11-12 19:30:36,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36 WrapperNode [2018-11-12 19:30:36,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 19:30:36,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 19:30:36,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 19:30:36,787 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 19:30:36,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 19:30:37,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 19:30:37,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 19:30:37,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 19:30:37,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (1/1) ... [2018-11-12 19:30:37,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 19:30:37,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 19:30:37,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 19:30:37,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 19:30:37,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (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 19:30:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 19:30:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 19:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 19:30:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 19:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 19:30:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 19:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 19:30:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 19:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 19:30:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 19:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 19:30:46,542 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 19:30:46,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:30:46 BoogieIcfgContainer [2018-11-12 19:30:46,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 19:30:46,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 19:30:46,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 19:30:46,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 19:30:46,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 07:30:35" (1/3) ... [2018-11-12 19:30:46,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb3b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:30:46, skipping insertion in model container [2018-11-12 19:30:46,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 07:30:36" (2/3) ... [2018-11-12 19:30:46,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bdb3b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 07:30:46, skipping insertion in model container [2018-11-12 19:30:46,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 07:30:46" (3/3) ... [2018-11-12 19:30:46,552 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label18_true-unreach-call.c [2018-11-12 19:30:46,563 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 19:30:46,574 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 19:30:46,593 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 19:30:46,646 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 19:30:46,646 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 19:30:46,646 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 19:30:46,646 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 19:30:46,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 19:30:46,647 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 19:30:46,647 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 19:30:46,647 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 19:30:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-12 19:30:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-12 19:30:46,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:30:46,695 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] [2018-11-12 19:30:46,697 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:30:46,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:30:46,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2094085436, now seen corresponding path program 1 times [2018-11-12 19:30:46,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:30:46,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:30:46,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:30:46,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:30:46,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:30:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:30:47,292 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 19:30:47,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:30:47,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 19:30:47,295 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:30:47,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 19:30:47,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 19:30:47,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:30:47,347 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-12 19:30:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:30:56,752 INFO L93 Difference]: Finished difference Result 2142 states and 3971 transitions. [2018-11-12 19:30:56,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 19:30:56,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-12 19:30:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:30:56,786 INFO L225 Difference]: With dead ends: 2142 [2018-11-12 19:30:56,786 INFO L226 Difference]: Without dead ends: 1532 [2018-11-12 19:30:56,798 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 19:30:56,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2018-11-12 19:30:56,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1519. [2018-11-12 19:30:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2018-11-12 19:30:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2456 transitions. [2018-11-12 19:30:56,944 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2456 transitions. Word has length 62 [2018-11-12 19:30:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:30:56,945 INFO L480 AbstractCegarLoop]: Abstraction has 1519 states and 2456 transitions. [2018-11-12 19:30:56,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 19:30:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2456 transitions. [2018-11-12 19:30:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-12 19:30:56,953 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:30:56,954 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, 1, 1, 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 19:30:56,954 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:30:56,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:30:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash -858039278, now seen corresponding path program 1 times [2018-11-12 19:30:56,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:30:56,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:30:56,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:30:56,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:30:56,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:30:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:30:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:30:57,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 19:30:57,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 19:30:57,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:30:57,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 19:30:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 19:30:57,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 19:30:57,229 INFO L87 Difference]: Start difference. First operand 1519 states and 2456 transitions. Second operand 5 states. [2018-11-12 19:31:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 19:31:04,050 INFO L93 Difference]: Finished difference Result 4424 states and 7338 transitions. [2018-11-12 19:31:04,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 19:31:04,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-12 19:31:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 19:31:04,078 INFO L225 Difference]: With dead ends: 4424 [2018-11-12 19:31:04,078 INFO L226 Difference]: Without dead ends: 2911 [2018-11-12 19:31:04,085 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 19:31:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-11-12 19:31:04,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2875. [2018-11-12 19:31:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2875 states. [2018-11-12 19:31:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4373 transitions. [2018-11-12 19:31:04,185 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4373 transitions. Word has length 134 [2018-11-12 19:31:04,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 19:31:04,186 INFO L480 AbstractCegarLoop]: Abstraction has 2875 states and 4373 transitions. [2018-11-12 19:31:04,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 19:31:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4373 transitions. [2018-11-12 19:31:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-12 19:31:04,191 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 19:31:04,192 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, 1, 1, 1, 1, 1, 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 19:31:04,192 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 19:31:04,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:31:04,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1330082406, now seen corresponding path program 1 times [2018-11-12 19:31:04,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 19:31:04,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:31:04,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:31:04,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 19:31:04,194 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 19:31:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:31:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:31:04,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:31:04,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 19:31:04,516 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-11-12 19:31:04,518 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [934], [942], [950], [958], [966], [974], [982], [990], [998], [1006], [1014], [1022], [1030], [1038], [1046], [1054], [1062], [1070], [1078], [1086], [1094], [1102], [1106], [1108], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-12 19:31:04,565 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 19:31:04,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 19:31:05,055 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 19:31:05,805 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 19:31:05,807 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Performed 3907 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3907 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 19:31:05,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 19:31:05,854 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 19:31:05,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 19:31:05,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 19:31:05,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 19:31:05,877 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 19:31:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 19:31:05,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 19:31:26,734 WARN L179 SmtUtils]: Spent 20.28 s on a formula simplification. DAG size of input: 135 DAG size of output: 83 [2018-11-12 19:31:27,121 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2018-11-12 19:31:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:31:27,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 19:31:27,802 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-11-12 19:31:30,374 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-11-12 19:31:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 19:31:30,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-12 19:31:30,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-11-12 19:31:30,784 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 19:31:30,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 19:31:30,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 19:31:30,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2018-11-12 19:31:30,786 INFO L87 Difference]: Start difference. First operand 2875 states and 4373 transitions. Second operand 6 states. Received shutdown request... [2018-11-12 19:35:04,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 19:35:04,055 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 19:35:04,060 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 19:35:04,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 07:35:04 BoogieIcfgContainer [2018-11-12 19:35:04,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 19:35:04,061 INFO L168 Benchmark]: Toolchain (without parser) took 268948.36 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -388.6 MB). Peak memory consumption was 722.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,063 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 19:35:04,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1670.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -951.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,065 INFO L168 Benchmark]: Boogie Preprocessor took 242.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,067 INFO L168 Benchmark]: RCFGBuilder took 9260.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 457.0 MB). Peak memory consumption was 457.0 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,068 INFO L168 Benchmark]: TraceAbstraction took 257516.55 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 341.8 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -44.9 MB). Peak memory consumption was 296.9 MB. Max. memory is 7.1 GB. [2018-11-12 19:35:04,075 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1670.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 253.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -951.9 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 242.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9260.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 457.0 MB). Peak memory consumption was 457.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257516.55 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 341.8 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -44.9 MB). Peak memory consumption was 296.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 173]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 173). Cancelled while BasicCegarLoop was constructing difference of abstraction (2875states) and FLOYD_HOARE automaton (currently 8 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (9652 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 257.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 229.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 877 SDtfs, 6139 SDslu, 643 SDs, 0 SdLazy, 7347 SolverSat, 4112 SolverUnsat, 98 SolverUnknown, 0 SolverNotchecked, 222.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 275 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2875occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 49 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 25.5s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 602 ConstructedInterpolants, 136 QuantifiedInterpolants, 1004740 SizeOfPredicates, 3 NumberOfNonLiveVariables, 288 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 114/220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown