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/Problem17_label39_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:11:24,193 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:11:24,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:11:24,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:11:24,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:11:24,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:11:24,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:11:24,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:11:24,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:11:24,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:11:24,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:11:24,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:11:24,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:11:24,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:11:24,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:11:24,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:11:24,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:11:24,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:11:24,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:11:24,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:11:24,227 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:11:24,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:11:24,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 22:11:24,231 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 22:11:24,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 22:11:24,232 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 22:11:24,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 22:11:24,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 22:11:24,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 22:11:24,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 22:11:24,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 22:11:24,237 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 22:11:24,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:11:24,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:11:24,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:11:24,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:11:24,240 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 [2018-10-24 22:11:24,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:11:24,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:11:24,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:11:24,257 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:11:24,257 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:11:24,257 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:11:24,257 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:11:24,257 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:11:24,258 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:11:24,258 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:11:24,258 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:11:24,258 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:11:24,259 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:11:24,259 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:11:24,259 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:11:24,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:11:24,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:11:24,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:11:24,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:11:24,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:11:24,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:11:24,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:11:24,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:11:24,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:11:24,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:11:24,262 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:11:24,262 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:11:24,262 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:11:24,262 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:11:24,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:11:24,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:11:24,263 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:11:24,263 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:11:24,263 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:11:24,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:11:24,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:11:24,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:11:24,332 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:11:24,333 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:11:24,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label39_true-unreach-call.c [2018-10-24 22:11:24,401 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ec3afd50/251cab2926de4e5f86f3ec0d09748c9b/FLAGeb1d1754e [2018-10-24 22:11:25,153 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:11:25,154 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label39_true-unreach-call.c [2018-10-24 22:11:25,182 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ec3afd50/251cab2926de4e5f86f3ec0d09748c9b/FLAGeb1d1754e [2018-10-24 22:11:25,198 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8ec3afd50/251cab2926de4e5f86f3ec0d09748c9b [2018-10-24 22:11:25,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:11:25,211 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:11:25,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:11:25,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:11:25,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:11:25,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:11:25" (1/1) ... [2018-10-24 22:11:25,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737231ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:25, skipping insertion in model container [2018-10-24 22:11:25,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:11:25" (1/1) ... [2018-10-24 22:11:25,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:11:25,358 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:11:26,411 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:11:26,416 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:11:26,833 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:11:26,856 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:11:26,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26 WrapperNode [2018-10-24 22:11:26,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:11:26,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:11:26,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:11:26,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:11:26,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:26,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:11:27,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:11:27,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:11:27,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:11:27,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (1/1) ... [2018-10-24 22:11:27,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:11:27,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:11:27,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:11:27,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:11:27,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (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 [2018-10-24 22:11:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:11:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:11:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:11:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:11:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:11:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:11:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:11:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:11:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:11:27,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:11:42,991 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:11:42,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:11:42 BoogieIcfgContainer [2018-10-24 22:11:42,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:11:42,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:11:42,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:11:42,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:11:42,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:11:25" (1/3) ... [2018-10-24 22:11:42,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3413f53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:11:42, skipping insertion in model container [2018-10-24 22:11:42,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:11:26" (2/3) ... [2018-10-24 22:11:42,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3413f53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:11:42, skipping insertion in model container [2018-10-24 22:11:43,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:11:42" (3/3) ... [2018-10-24 22:11:43,002 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label39_true-unreach-call.c [2018-10-24 22:11:43,012 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:11:43,021 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:11:43,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:11:43,085 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:11:43,086 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:11:43,086 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:11:43,086 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:11:43,086 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:11:43,086 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:11:43,087 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:11:43,087 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:11:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 22:11:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-24 22:11:43,135 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:11:43,137 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:11:43,139 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:11:43,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:11:43,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1351765020, now seen corresponding path program 1 times [2018-10-24 22:11:43,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:11:43,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:11:43,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:11:43,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:11:43,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:11:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:11:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:11:43,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:11:43,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 22:11:43,756 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:11:43,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 22:11:43,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 22:11:43,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:11:43,783 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 22:11:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:11:55,624 INFO L93 Difference]: Finished difference Result 2125 states and 3954 transitions. [2018-10-24 22:11:55,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 22:11:55,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-24 22:11:55,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:11:55,659 INFO L225 Difference]: With dead ends: 2125 [2018-10-24 22:11:55,659 INFO L226 Difference]: Without dead ends: 1515 [2018-10-24 22:11:55,668 INFO L605 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 [2018-10-24 22:11:55,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-10-24 22:11:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1043. [2018-10-24 22:11:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2018-10-24 22:11:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1647 transitions. [2018-10-24 22:11:55,803 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1647 transitions. Word has length 70 [2018-10-24 22:11:55,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:11:55,804 INFO L481 AbstractCegarLoop]: Abstraction has 1043 states and 1647 transitions. [2018-10-24 22:11:55,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 22:11:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1647 transitions. [2018-10-24 22:11:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-24 22:11:55,812 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:11:55,812 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:11:55,813 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:11:55,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:11:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash -118036814, now seen corresponding path program 1 times [2018-10-24 22:11:55,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:11:55,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:11:55,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:11:55,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:11:55,815 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:11:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:11:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:11:56,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:11:56,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:11:56,041 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:11:56,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:11:56,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:11:56,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:11:56,044 INFO L87 Difference]: Start difference. First operand 1043 states and 1647 transitions. Second operand 5 states. [2018-10-24 22:12:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:12:04,972 INFO L93 Difference]: Finished difference Result 3017 states and 4847 transitions. [2018-10-24 22:12:04,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:12:04,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-10-24 22:12:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:12:04,997 INFO L225 Difference]: With dead ends: 3017 [2018-10-24 22:12:04,998 INFO L226 Difference]: Without dead ends: 1980 [2018-10-24 22:12:05,002 INFO L605 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 [2018-10-24 22:12:05,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-10-24 22:12:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1954. [2018-10-24 22:12:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-10-24 22:12:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2892 transitions. [2018-10-24 22:12:05,094 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2892 transitions. Word has length 142 [2018-10-24 22:12:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:12:05,095 INFO L481 AbstractCegarLoop]: Abstraction has 1954 states and 2892 transitions. [2018-10-24 22:12:05,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:12:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2892 transitions. [2018-10-24 22:12:05,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-24 22:12:05,099 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:12:05,100 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:12:05,100 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:12:05,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:12:05,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1553613114, now seen corresponding path program 1 times [2018-10-24 22:12:05,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:12:05,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:12:05,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:12:05,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:12:05,102 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:12:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:12:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:12:05,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:12:05,442 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:12:05,444 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-10-24 22:12:05,446 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], [1110], [1118], [1126], [1134], [1142], [1150], [1158], [1166], [1170], [1172], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 22:12:05,508 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:12:05,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:12:06,895 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:12:26,495 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 22:12:26,497 INFO L272 AbstractInterpreter]: Visited 83 different actions 543 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 22:12:26,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:12:26,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 22:12:26,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:12:26,512 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 22:12:26,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:12:26,532 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 22:12:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:12:26,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 22:12:33,174 WARN L179 SmtUtils]: Spent 6.07 s on a formula simplification that was a NOOP. DAG size: 42 [2018-10-24 22:12:35,375 WARN L179 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 42 DAG size of output: 21 [2018-10-24 22:12:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:12:35,562 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 22:12:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:12:36,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-24 22:12:36,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-24 22:12:36,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:12:36,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:12:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:12:36,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-10-24 22:12:36,974 INFO L87 Difference]: Start difference. First operand 1954 states and 2892 transitions. Second operand 6 states. Received shutdown request... [2018-10-24 22:15:42,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 22:15:42,274 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:15:42,281 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:15:42,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:15:42 BoogieIcfgContainer [2018-10-24 22:15:42,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:15:42,282 INFO L168 Benchmark]: Toolchain (without parser) took 257072.19 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 22:15:42,284 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 22:15:42,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1644.88 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. [2018-10-24 22:15:42,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 522.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -893.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:15:42,290 INFO L168 Benchmark]: Boogie Preprocessor took 258.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2018-10-24 22:15:42,291 INFO L168 Benchmark]: RCFGBuilder took 15354.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 462.6 MB). Peak memory consumption was 462.6 MB. Max. memory is 7.1 GB. [2018-10-24 22:15:42,292 INFO L168 Benchmark]: TraceAbstraction took 239287.72 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: -971.2 MB). Peak memory consumption was 859.0 MB. Max. memory is 7.1 GB. [2018-10-24 22:15:42,298 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1644.88 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 522.12 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -893.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 258.04 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15354.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 462.6 MB). Peak memory consumption was 462.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239287.72 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: -971.2 MB). Peak memory consumption was 859.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 197]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 197). Cancelled while BasicCegarLoop was constructing difference of abstraction (1954states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (3851 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 239.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 206.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 891 SDtfs, 4517 SDslu, 721 SDs, 0 SdLazy, 6924 SolverSat, 2012 SolverUnsat, 85 SolverUnknown, 0 SolverNotchecked, 202.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 498 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 502 NumberOfCodeBlocks, 502 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 642 ConstructedInterpolants, 144 QuantifiedInterpolants, 812196 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 130/252 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown