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/Problem15_label06_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 03:08:55,137 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 03:08:55,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 03:08:55,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 03:08:55,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 03:08:55,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 03:08:55,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 03:08:55,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 03:08:55,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 03:08:55,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 03:08:55,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 03:08:55,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 03:08:55,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 03:08:55,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 03:08:55,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 03:08:55,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 03:08:55,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 03:08:55,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 03:08:55,171 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 03:08:55,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 03:08:55,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 03:08:55,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 03:08:55,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 03:08:55,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 03:08:55,177 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 03:08:55,178 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 03:08:55,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 03:08:55,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 03:08:55,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 03:08:55,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 03:08:55,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 03:08:55,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 03:08:55,183 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 03:08:55,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 03:08:55,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 03:08:55,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 03:08:55,186 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 03:08:55,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 03:08:55,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 03:08:55,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 03:08:55,203 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 03:08:55,203 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 03:08:55,203 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 03:08:55,204 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 03:08:55,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 03:08:55,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 03:08:55,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 03:08:55,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 03:08:55,208 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 03:08:55,208 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 03:08:55,208 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 03:08:55,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 03:08:55,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 03:08:55,209 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 03:08:55,209 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 03:08:55,209 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 03:08:55,209 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 03:08:55,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 03:08:55,210 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 03:08:55,210 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 03:08:55,210 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 03:08:55,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 03:08:55,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 03:08:55,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 03:08:55,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 03:08:55,294 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 03:08:55,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-10-27 03:08:55,362 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eebb22806/88973ca085bd4acda20b0b4267086707/FLAGf8f956439 [2018-10-27 03:08:56,050 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 03:08:56,052 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label06_true-unreach-call.c [2018-10-27 03:08:56,082 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eebb22806/88973ca085bd4acda20b0b4267086707/FLAGf8f956439 [2018-10-27 03:08:56,105 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/eebb22806/88973ca085bd4acda20b0b4267086707 [2018-10-27 03:08:56,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 03:08:56,120 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 03:08:56,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 03:08:56,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 03:08:56,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 03:08:56,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:08:56" (1/1) ... [2018-10-27 03:08:56,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400d873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:56, skipping insertion in model container [2018-10-27 03:08:56,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:08:56" (1/1) ... [2018-10-27 03:08:56,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 03:08:56,257 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 03:08:57,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:08:57,114 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 03:08:57,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:08:57,424 INFO L193 MainTranslator]: Completed translation [2018-10-27 03:08:57,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57 WrapperNode [2018-10-27 03:08:57,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 03:08:57,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 03:08:57,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 03:08:57,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 03:08:57,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 03:08:57,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 03:08:57,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 03:08:57,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 03:08:57,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:57,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:58,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:58,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (1/1) ... [2018-10-27 03:08:58,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 03:08:58,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 03:08:58,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 03:08:58,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 03:08:58,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (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 03:08:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 03:08:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 03:08:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 03:08:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 03:08:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 03:08:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 03:08:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 03:08:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 03:08:58,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 03:08:58,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 03:09:08,379 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 03:09:08,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:09:08 BoogieIcfgContainer [2018-10-27 03:09:08,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 03:09:08,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 03:09:08,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 03:09:08,385 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 03:09:08,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:08:56" (1/3) ... [2018-10-27 03:09:08,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb7530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:09:08, skipping insertion in model container [2018-10-27 03:09:08,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:08:57" (2/3) ... [2018-10-27 03:09:08,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb7530b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:09:08, skipping insertion in model container [2018-10-27 03:09:08,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:09:08" (3/3) ... [2018-10-27 03:09:08,391 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label06_true-unreach-call.c [2018-10-27 03:09:08,403 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 03:09:08,414 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 03:09:08,432 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 03:09:08,492 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 03:09:08,492 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 03:09:08,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 03:09:08,493 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 03:09:08,493 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 03:09:08,493 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 03:09:08,493 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 03:09:08,493 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 03:09:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-27 03:09:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 03:09:08,548 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:08,549 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:09:08,551 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:08,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:08,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1002059929, now seen corresponding path program 1 times [2018-10-27 03:09:08,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:08,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:08,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:08,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:08,615 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:09,160 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-27 03:09:09,235 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 03:09:09,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:09:09,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 03:09:09,244 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:09,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 03:09:09,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 03:09:09,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:09,304 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-27 03:09:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:09:18,089 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-27 03:09:18,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 03:09:18,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-10-27 03:09:18,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:09:18,118 INFO L225 Difference]: With dead ends: 1558 [2018-10-27 03:09:18,118 INFO L226 Difference]: Without dead ends: 1114 [2018-10-27 03:09:18,127 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-27 03:09:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-10-27 03:09:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-10-27 03:09:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-10-27 03:09:18,261 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 63 [2018-10-27 03:09:18,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:09:18,262 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-10-27 03:09:18,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 03:09:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-10-27 03:09:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 03:09:18,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:18,275 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:09:18,276 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:18,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1927078684, now seen corresponding path program 1 times [2018-10-27 03:09:18,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:18,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:18,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:18,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:18,278 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:09:18,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:09:18,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 03:09:18,664 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:18,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 03:09:18,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 03:09:18,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 03:09:18,667 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-10-27 03:09:28,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:09:28,579 INFO L93 Difference]: Finished difference Result 3240 states and 5580 transitions. [2018-10-27 03:09:28,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 03:09:28,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-10-27 03:09:28,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:09:28,597 INFO L225 Difference]: With dead ends: 3240 [2018-10-27 03:09:28,597 INFO L226 Difference]: Without dead ends: 2155 [2018-10-27 03:09:28,603 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 03:09:28,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-10-27 03:09:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2114. [2018-10-27 03:09:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-10-27 03:09:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-10-27 03:09:28,682 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 136 [2018-10-27 03:09:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:09:28,683 INFO L481 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-10-27 03:09:28,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 03:09:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-10-27 03:09:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 03:09:28,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:28,689 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:09:28,689 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:28,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:28,693 INFO L82 PathProgramCache]: Analyzing trace with hash -821821196, now seen corresponding path program 1 times [2018-10-27 03:09:28,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:28,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:28,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:28,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:28,696 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:09:28,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:09:28,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 03:09:28,924 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:28,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 03:09:28,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 03:09:28,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:28,926 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-10-27 03:09:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:09:34,975 INFO L93 Difference]: Finished difference Result 7960 states and 12498 transitions. [2018-10-27 03:09:34,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 03:09:34,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2018-10-27 03:09:34,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:09:35,026 INFO L225 Difference]: With dead ends: 7960 [2018-10-27 03:09:35,026 INFO L226 Difference]: Without dead ends: 5852 [2018-10-27 03:09:35,053 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-10-27 03:09:35,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-10-27 03:09:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-10-27 03:09:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8250 transitions. [2018-10-27 03:09:35,231 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8250 transitions. Word has length 144 [2018-10-27 03:09:35,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:09:35,231 INFO L481 AbstractCegarLoop]: Abstraction has 5847 states and 8250 transitions. [2018-10-27 03:09:35,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 03:09:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8250 transitions. [2018-10-27 03:09:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-27 03:09:35,236 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:35,236 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:09:35,237 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:35,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:35,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1828676958, now seen corresponding path program 1 times [2018-10-27 03:09:35,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:35,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:35,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:35,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:35,238 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:09:35,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:09:35,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:09:35,719 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:35,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:09:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:09:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:09:35,720 INFO L87 Difference]: Start difference. First operand 5847 states and 8250 transitions. Second operand 6 states. [2018-10-27 03:09:43,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:09:43,386 INFO L93 Difference]: Finished difference Result 13535 states and 18800 transitions. [2018-10-27 03:09:43,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:09:43,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-10-27 03:09:43,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:09:43,432 INFO L225 Difference]: With dead ends: 13535 [2018-10-27 03:09:43,433 INFO L226 Difference]: Without dead ends: 7694 [2018-10-27 03:09:43,478 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 03:09:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2018-10-27 03:09:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7637. [2018-10-27 03:09:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7637 states. [2018-10-27 03:09:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7637 states to 7637 states and 9974 transitions. [2018-10-27 03:09:43,719 INFO L78 Accepts]: Start accepts. Automaton has 7637 states and 9974 transitions. Word has length 163 [2018-10-27 03:09:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:09:43,720 INFO L481 AbstractCegarLoop]: Abstraction has 7637 states and 9974 transitions. [2018-10-27 03:09:43,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:09:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 7637 states and 9974 transitions. [2018-10-27 03:09:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 03:09:43,728 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:43,728 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:09:43,728 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:43,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:43,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1511566985, now seen corresponding path program 1 times [2018-10-27 03:09:43,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:43,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:43,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:43,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:43,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 03:09:44,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:09:44,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 03:09:44,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:44,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 03:09:44,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 03:09:44,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:44,233 INFO L87 Difference]: Start difference. First operand 7637 states and 9974 transitions. Second operand 4 states. [2018-10-27 03:09:52,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:09:52,033 INFO L93 Difference]: Finished difference Result 24611 states and 33192 transitions. [2018-10-27 03:09:52,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 03:09:52,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-27 03:09:52,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:09:52,120 INFO L225 Difference]: With dead ends: 24611 [2018-10-27 03:09:52,120 INFO L226 Difference]: Without dead ends: 16980 [2018-10-27 03:09:52,168 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:09:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16980 states. [2018-10-27 03:09:52,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16980 to 16350. [2018-10-27 03:09:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16350 states. [2018-10-27 03:09:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 21038 transitions. [2018-10-27 03:09:52,553 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 21038 transitions. Word has length 218 [2018-10-27 03:09:52,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:09:52,554 INFO L481 AbstractCegarLoop]: Abstraction has 16350 states and 21038 transitions. [2018-10-27 03:09:52,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 03:09:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 21038 transitions. [2018-10-27 03:09:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-27 03:09:52,568 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:09:52,568 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 03:09:52,568 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:09:52,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:52,569 INFO L82 PathProgramCache]: Analyzing trace with hash -2117532615, now seen corresponding path program 1 times [2018-10-27 03:09:52,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:09:52,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:52,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:09:52,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:09:52,571 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:09:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:09:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 03:09:52,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:09:52,970 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:09:52,971 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-10-27 03:09:52,973 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 03:09:53,044 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:09:53,044 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:09:55,115 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:09:55,922 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 03:09:55,924 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 03:09:55,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:09:55,966 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 03:09:58,661 INFO L227 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 78.22% of their original sizes. [2018-10-27 03:09:58,662 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 03:09:59,140 INFO L415 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2018-10-27 03:09:59,141 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 03:09:59,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 03:09:59,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-27 03:09:59,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:09:59,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 03:09:59,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 03:09:59,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-27 03:09:59,143 INFO L87 Difference]: Start difference. First operand 16350 states and 21038 transitions. Second operand 8 states. [2018-10-27 03:11:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:11:38,639 INFO L93 Difference]: Finished difference Result 33004 states and 42439 transitions. [2018-10-27 03:11:38,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 03:11:38,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2018-10-27 03:11:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:11:38,699 INFO L225 Difference]: With dead ends: 33004 [2018-10-27 03:11:38,699 INFO L226 Difference]: Without dead ends: 16660 [2018-10-27 03:11:38,750 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-27 03:11:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16660 states. [2018-10-27 03:11:39,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16660 to 16658. [2018-10-27 03:11:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16658 states. [2018-10-27 03:11:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16658 states to 16658 states and 21355 transitions. [2018-10-27 03:11:39,074 INFO L78 Accepts]: Start accepts. Automaton has 16658 states and 21355 transitions. Word has length 244 [2018-10-27 03:11:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:11:39,075 INFO L481 AbstractCegarLoop]: Abstraction has 16658 states and 21355 transitions. [2018-10-27 03:11:39,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 03:11:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16658 states and 21355 transitions. [2018-10-27 03:11:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-27 03:11:39,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:11:39,093 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:11:39,093 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:11:39,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:11:39,094 INFO L82 PathProgramCache]: Analyzing trace with hash -264173853, now seen corresponding path program 1 times [2018-10-27 03:11:39,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:11:39,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:11:39,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:11:39,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:11:39,095 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:11:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:11:40,166 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 03:11:40,610 WARN L179 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-27 03:11:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 252 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 03:11:41,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:11:41,005 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:11:41,005 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-10-27 03:11:41,005 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [477], [479], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-27 03:11:41,011 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:11:41,011 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:11:43,077 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:11:49,544 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 03:11:49,544 INFO L272 AbstractInterpreter]: Visited 109 different actions 315 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 03:11:49,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:11:49,553 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 03:11:54,450 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 77.73% of their original sizes. [2018-10-27 03:11:54,450 INFO L413 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-27 03:12:47,708 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 03:12:47,712 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 03:12:47,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:12:47 BoogieIcfgContainer [2018-10-27 03:12:47,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 03:12:47,713 INFO L168 Benchmark]: Toolchain (without parser) took 231594.94 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 2.2 GB in the end (delta: -783.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,714 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-10-27 03:12:47,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1304.38 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 436.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -843.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,717 INFO L168 Benchmark]: Boogie Preprocessor took 206.03 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,718 INFO L168 Benchmark]: RCFGBuilder took 10311.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 319.4 MB). Peak memory consumption was 319.4 MB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,718 INFO L168 Benchmark]: TraceAbstraction took 219331.70 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -368.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 03:12:47,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1304.38 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: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 436.23 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -843.5 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.03 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10311.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 319.4 MB). Peak memory consumption was 319.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219331.70 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -368.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 175). Cancelled while BasicCegarLoop was analyzing trace of length 341 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 12 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 219.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 140.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1658 SDtfs, 6411 SDslu, 1504 SDs, 0 SdLazy, 11914 SolverSat, 2625 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 99.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 280 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16658occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.5s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9958009612032472 AbsIntWeakeningRatio, 0.09965635738831616 AbsIntAvgWeakeningVarsNumRemoved, 628.1288659793814 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 758 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 968 NumberOfCodeBlocks, 968 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 962 ConstructedInterpolants, 0 QuantifiedInterpolants, 479991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 545/547 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown