java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 02:50:11,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 02:50:11,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 02:50:11,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 02:50:11,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 02:50:11,186 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 02:50:11,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 02:50:11,191 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 02:50:11,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 02:50:11,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 02:50:11,197 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 02:50:11,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 02:50:11,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 02:50:11,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 02:50:11,208 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 02:50:11,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 02:50:11,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 02:50:11,213 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 02:50:11,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 02:50:11,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 02:50:11,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 02:50:11,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 02:50:11,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 02:50:11,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 02:50:11,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 02:50:11,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 02:50:11,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 02:50:11,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 02:50:11,233 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 02:50:11,234 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 02:50:11,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 02:50:11,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 02:50:11,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 02:50:11,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 02:50:11,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 02:50:11,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 02:50:11,238 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 02:50:11,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 02:50:11,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 02:50:11,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 02:50:11,259 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 02:50:11,259 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 02:50:11,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 02:50:11,260 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 02:50:11,260 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 02:50:11,260 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 02:50:11,260 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 02:50:11,261 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 02:50:11,261 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 02:50:11,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 02:50:11,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 02:50:11,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 02:50:11,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 02:50:11,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 02:50:11,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 02:50:11,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 02:50:11,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 02:50:11,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 02:50:11,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 02:50:11,263 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 02:50:11,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 02:50:11,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:50:11,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 02:50:11,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 02:50:11,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 02:50:11,264 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 02:50:11,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 02:50:11,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 02:50:11,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 02:50:11,265 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 02:50:11,265 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 02:50:11,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 02:50:11,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 02:50:11,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 02:50:11,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 02:50:11,332 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 02:50:11,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label59_true-unreach-call.c [2018-10-27 02:50:11,408 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/377632672/9d7fbcc26981498bb60c3464cafc9b26/FLAG8071339b6 [2018-10-27 02:50:12,138 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 02:50:12,139 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label59_true-unreach-call.c [2018-10-27 02:50:12,181 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/377632672/9d7fbcc26981498bb60c3464cafc9b26/FLAG8071339b6 [2018-10-27 02:50:12,201 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/377632672/9d7fbcc26981498bb60c3464cafc9b26 [2018-10-27 02:50:12,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 02:50:12,216 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 02:50:12,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 02:50:12,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 02:50:12,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 02:50:12,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:50:12" (1/1) ... [2018-10-27 02:50:12,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b326c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:12, skipping insertion in model container [2018-10-27 02:50:12,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:50:12" (1/1) ... [2018-10-27 02:50:12,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 02:50:12,402 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 02:50:13,702 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:50:13,706 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 02:50:14,405 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:50:14,439 INFO L193 MainTranslator]: Completed translation [2018-10-27 02:50:14,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14 WrapperNode [2018-10-27 02:50:14,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 02:50:14,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 02:50:14,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 02:50:14,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 02:50:14,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:14,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:14,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 02:50:14,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 02:50:14,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 02:50:14,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 02:50:14,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:14,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:14,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:14,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:15,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:15,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:15,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... [2018-10-27 02:50:15,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 02:50:15,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 02:50:15,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 02:50:15,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 02:50:15,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:50:15,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 02:50:15,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 02:50:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 02:50:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 02:50:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 02:50:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 02:50:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 02:50:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 02:50:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 02:50:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 02:50:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 02:50:15,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 02:50:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 02:50:15,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 02:50:28,053 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 02:50:28,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:50:28 BoogieIcfgContainer [2018-10-27 02:50:28,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 02:50:28,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 02:50:28,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 02:50:28,058 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 02:50:28,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:50:12" (1/3) ... [2018-10-27 02:50:28,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279b73a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:50:28, skipping insertion in model container [2018-10-27 02:50:28,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:50:14" (2/3) ... [2018-10-27 02:50:28,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279b73a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:50:28, skipping insertion in model container [2018-10-27 02:50:28,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:50:28" (3/3) ... [2018-10-27 02:50:28,062 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label59_true-unreach-call.c [2018-10-27 02:50:28,071 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 02:50:28,079 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 02:50:28,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 02:50:28,143 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 02:50:28,143 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 02:50:28,144 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 02:50:28,144 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 02:50:28,144 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 02:50:28,144 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 02:50:28,144 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 02:50:28,144 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 02:50:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-27 02:50:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 02:50:28,201 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:50:28,202 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] [2018-10-27 02:50:28,204 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:50:28,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:50:28,211 INFO L82 PathProgramCache]: Analyzing trace with hash -320389013, now seen corresponding path program 1 times [2018-10-27 02:50:28,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:50:28,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:28,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:50:28,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:28,274 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:50:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:50:28,741 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:50:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:50:28,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:50:28,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 02:50:28,873 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:50:28,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 02:50:28,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 02:50:28,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:50:28,904 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-10-27 02:50:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:50:37,489 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-10-27 02:50:37,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 02:50:37,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-10-27 02:50:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:50:37,533 INFO L225 Difference]: With dead ends: 2446 [2018-10-27 02:50:37,533 INFO L226 Difference]: Without dead ends: 1604 [2018-10-27 02:50:37,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:50:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-27 02:50:37,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-27 02:50:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-27 02:50:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 3014 transitions. [2018-10-27 02:50:37,710 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 3014 transitions. Word has length 51 [2018-10-27 02:50:37,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:50:37,712 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 3014 transitions. [2018-10-27 02:50:37,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 02:50:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 3014 transitions. [2018-10-27 02:50:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 02:50:37,723 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:50:37,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:50:37,723 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:50:37,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:50:37,724 INFO L82 PathProgramCache]: Analyzing trace with hash -66311172, now seen corresponding path program 1 times [2018-10-27 02:50:37,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:50:37,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:37,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:50:37,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:37,726 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:50:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:50:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:50:37,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:50:37,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 02:50:37,986 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:50:37,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 02:50:37,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 02:50:37,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 02:50:37,989 INFO L87 Difference]: Start difference. First operand 1604 states and 3014 transitions. Second operand 5 states. [2018-10-27 02:50:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:50:50,317 INFO L93 Difference]: Finished difference Result 4873 states and 9168 transitions. [2018-10-27 02:50:50,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 02:50:50,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-10-27 02:50:50,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:50:50,342 INFO L225 Difference]: With dead ends: 4873 [2018-10-27 02:50:50,342 INFO L226 Difference]: Without dead ends: 3275 [2018-10-27 02:50:50,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 02:50:50,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2018-10-27 02:50:50,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 3241. [2018-10-27 02:50:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3241 states. [2018-10-27 02:50:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 5443 transitions. [2018-10-27 02:50:50,479 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 5443 transitions. Word has length 121 [2018-10-27 02:50:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:50:50,480 INFO L481 AbstractCegarLoop]: Abstraction has 3241 states and 5443 transitions. [2018-10-27 02:50:50,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 02:50:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 5443 transitions. [2018-10-27 02:50:50,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 02:50:50,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:50:50,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:50:50,494 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:50:50,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:50:50,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1119739496, now seen corresponding path program 1 times [2018-10-27 02:50:50,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:50:50,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:50,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:50:50,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:50:50,497 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:50:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:50:50,832 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:50:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:50:51,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:50:51,286 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:50:51,288 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-10-27 02:50:51,290 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], [2175], [2177], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [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] [2018-10-27 02:50:51,354 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:50:51,354 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:50:56,595 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 02:50:56,597 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. [2018-10-27 02:50:56,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:50:56,647 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 02:50:58,959 INFO L227 lantSequenceWeakener]: Weakened 38 states. On average, predicates are now at 79.71% of their original sizes. [2018-10-27 02:50:58,959 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 02:51:12,503 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-10-27 02:51:12,504 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 02:51:12,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 02:51:12,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [7] total 23 [2018-10-27 02:51:12,505 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:51:12,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 02:51:12,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 02:51:12,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2018-10-27 02:51:12,507 INFO L87 Difference]: Start difference. First operand 3241 states and 5443 transitions. Second operand 18 states. [2018-10-27 02:51:42,482 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-27 02:54:02,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 02:54:02,866 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 02:54:02,872 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 02:54:02,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:54:02 BoogieIcfgContainer [2018-10-27 02:54:02,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 02:54:02,873 INFO L168 Benchmark]: Toolchain (without parser) took 230658.35 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -249.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 02:54:02,875 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. [2018-10-27 02:54:02,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2223.01 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. [2018-10-27 02:54:02,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 505.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.9 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 68.9 MB. Max. memory is 7.1 GB. [2018-10-27 02:54:02,877 INFO L168 Benchmark]: Boogie Preprocessor took 252.11 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2018-10-27 02:54:02,878 INFO L168 Benchmark]: RCFGBuilder took 12855.45 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 184.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -190.4 MB). Peak memory consumption was 668.6 MB. Max. memory is 7.1 GB. [2018-10-27 02:54:02,879 INFO L168 Benchmark]: TraceAbstraction took 214817.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 1.7 GB in the end (delta: 730.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 02:54:02,885 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 2223.01 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 505.34 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.9 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 68.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 252.11 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12855.45 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 184.0 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -190.4 MB). Peak memory consumption was 668.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214817.37 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 1.7 GB in the end (delta: 730.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 144). Cancelled while BasicCegarLoop was constructing difference of abstraction (3241states) and FLOYD_HOARE automaton (currently 16 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (1473 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 214.7s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 191.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 424 SDtfs, 5750 SDslu, 435 SDs, 0 SdLazy, 8150 SolverSat, 1744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 98.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 145 GetRequests, 113 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 16.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3241occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.992930402930403 AbsIntWeakeningRatio, 0.16666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 381.57142857142856 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 133300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 72/88 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown