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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 07:43:41,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 07:43:41,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 07:43:41,138 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 07:43:41,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 07:43:41,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 07:43:41,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 07:43:41,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 07:43:41,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 07:43:41,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 07:43:41,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 07:43:41,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 07:43:41,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 07:43:41,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 07:43:41,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 07:43:41,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 07:43:41,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 07:43:41,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 07:43:41,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 07:43:41,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 07:43:41,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 07:43:41,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 07:43:41,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 07:43:41,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 07:43:41,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 07:43:41,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 07:43:41,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 07:43:41,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 07:43:41,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 07:43:41,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 07:43:41,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 07:43:41,193 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-27 07:43:41,198 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 07:43:41,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 07:43:41,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 07:43:41,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 07:43:41,226 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 07:43:41,226 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 07:43:41,226 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 07:43:41,226 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 07:43:41,226 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 07:43:41,227 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 07:43:41,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 07:43:41,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 07:43:41,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 07:43:41,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 07:43:41,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 07:43:41,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 07:43:41,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 07:43:41,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 07:43:41,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 07:43:41,230 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 07:43:41,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 07:43:41,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 07:43:41,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 07:43:41,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 07:43:41,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 07:43:41,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 07:43:41,231 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 07:43:41,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 07:43:41,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 07:43:41,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 07:43:41,232 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 07:43:41,232 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 07:43:41,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 07:43:41,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 07:43:41,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 07:43:41,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 07:43:41,299 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 07:43:41,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label22_true-unreach-call.c [2018-10-27 07:43:41,360 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/812518851/36ca94492fc74680b2f74ac000d2aabf/FLAGbc755f12d [2018-10-27 07:43:42,086 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 07:43:42,088 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label22_true-unreach-call.c [2018-10-27 07:43:42,125 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/812518851/36ca94492fc74680b2f74ac000d2aabf/FLAGbc755f12d [2018-10-27 07:43:42,142 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/812518851/36ca94492fc74680b2f74ac000d2aabf [2018-10-27 07:43:42,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 07:43:42,159 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 07:43:42,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 07:43:42,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 07:43:42,165 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 07:43:42,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:42" (1/1) ... [2018-10-27 07:43:42,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a35d8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:42, skipping insertion in model container [2018-10-27 07:43:42,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:43:42" (1/1) ... [2018-10-27 07:43:42,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 07:43:42,357 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 07:43:43,681 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:43:43,685 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 07:43:44,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:43:44,345 INFO L193 MainTranslator]: Completed translation [2018-10-27 07:43:44,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44 WrapperNode [2018-10-27 07:43:44,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 07:43:44,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 07:43:44,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 07:43:44,348 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 07:43:44,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:44,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:44,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 07:43:44,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 07:43:44,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 07:43:44,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 07:43:44,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:44,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:44,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:44,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:45,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:45,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:45,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (1/1) ... [2018-10-27 07:43:45,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 07:43:45,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 07:43:45,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 07:43:45,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 07:43:45,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (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 07:43:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 07:43:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 07:43:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 07:43:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 07:43:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 07:43:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 07:43:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 07:43:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 07:43:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 07:43:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 07:43:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 07:43:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 07:43:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 07:43:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 07:43:56,381 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 07:43:56,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:56 BoogieIcfgContainer [2018-10-27 07:43:56,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 07:43:56,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 07:43:56,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 07:43:56,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 07:43:56,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:43:42" (1/3) ... [2018-10-27 07:43:56,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:56, skipping insertion in model container [2018-10-27 07:43:56,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:43:44" (2/3) ... [2018-10-27 07:43:56,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a0f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:43:56, skipping insertion in model container [2018-10-27 07:43:56,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:43:56" (3/3) ... [2018-10-27 07:43:56,391 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label22_true-unreach-call.c [2018-10-27 07:43:56,403 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 07:43:56,415 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 07:43:56,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 07:43:56,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 07:43:56,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 07:43:56,496 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 07:43:56,496 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 07:43:56,496 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 07:43:56,496 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 07:43:56,496 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 07:43:56,497 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 07:43:56,545 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-27 07:43:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 07:43:56,556 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:43:56,557 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, 1] [2018-10-27 07:43:56,559 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:43:56,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:43:56,564 INFO L82 PathProgramCache]: Analyzing trace with hash -2101117445, now seen corresponding path program 1 times [2018-10-27 07:43:56,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:43:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:43:56,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:43:56,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:43:56,620 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:43:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:43:57,121 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:43:57,280 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 07:43:57,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:43:57,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 07:43:57,283 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:43:57,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 07:43:57,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 07:43:57,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:43:57,312 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 3 states. [2018-10-27 07:44:07,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:44:07,540 INFO L93 Difference]: Finished difference Result 2446 states and 4700 transitions. [2018-10-27 07:44:07,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 07:44:07,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-10-27 07:44:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:44:07,596 INFO L225 Difference]: With dead ends: 2446 [2018-10-27 07:44:07,596 INFO L226 Difference]: Without dead ends: 1604 [2018-10-27 07:44:07,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 07:44:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2018-10-27 07:44:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2018-10-27 07:44:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-10-27 07:44:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2909 transitions. [2018-10-27 07:44:07,813 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2909 transitions. Word has length 71 [2018-10-27 07:44:07,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:44:07,814 INFO L481 AbstractCegarLoop]: Abstraction has 1604 states and 2909 transitions. [2018-10-27 07:44:07,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 07:44:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2909 transitions. [2018-10-27 07:44:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-27 07:44:07,827 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:44:07,828 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:44:07,829 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:44:07,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:44:07,830 INFO L82 PathProgramCache]: Analyzing trace with hash -843018732, now seen corresponding path program 1 times [2018-10-27 07:44:07,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:44:07,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:07,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:44:07,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:07,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:44:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:44:08,202 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:44:08,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:44:08,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 07:44:08,203 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:44:08,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 07:44:08,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 07:44:08,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 07:44:08,206 INFO L87 Difference]: Start difference. First operand 1604 states and 2909 transitions. Second operand 5 states. [2018-10-27 07:44:18,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:44:18,824 INFO L93 Difference]: Finished difference Result 4818 states and 8826 transitions. [2018-10-27 07:44:18,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:44:18,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-10-27 07:44:18,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:44:18,849 INFO L225 Difference]: With dead ends: 4818 [2018-10-27 07:44:18,849 INFO L226 Difference]: Without dead ends: 3220 [2018-10-27 07:44:18,856 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 07:44:18,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2018-10-27 07:44:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3186. [2018-10-27 07:44:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3186 states. [2018-10-27 07:44:18,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 5594 transitions. [2018-10-27 07:44:18,969 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 5594 transitions. Word has length 145 [2018-10-27 07:44:18,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:44:18,970 INFO L481 AbstractCegarLoop]: Abstraction has 3186 states and 5594 transitions. [2018-10-27 07:44:18,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 07:44:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 5594 transitions. [2018-10-27 07:44:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 07:44:18,974 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:44:18,975 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:44:18,975 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:44:18,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:44:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash -963200243, now seen corresponding path program 1 times [2018-10-27 07:44:18,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:44:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:18,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:44:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:18,977 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:44:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:44:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:44:19,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:44:19,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:44:19,226 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:44:19,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:44:19,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:44:19,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:44:19,228 INFO L87 Difference]: Start difference. First operand 3186 states and 5594 transitions. Second operand 6 states. [2018-10-27 07:44:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:44:31,321 INFO L93 Difference]: Finished difference Result 11148 states and 19850 transitions. [2018-10-27 07:44:31,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:44:31,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-10-27 07:44:31,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:44:31,370 INFO L225 Difference]: With dead ends: 11148 [2018-10-27 07:44:31,370 INFO L226 Difference]: Without dead ends: 7968 [2018-10-27 07:44:31,389 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:44:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7968 states. [2018-10-27 07:44:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7968 to 7924. [2018-10-27 07:44:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7924 states. [2018-10-27 07:44:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7924 states to 7924 states and 13424 transitions. [2018-10-27 07:44:31,600 INFO L78 Accepts]: Start accepts. Automaton has 7924 states and 13424 transitions. Word has length 150 [2018-10-27 07:44:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:44:31,601 INFO L481 AbstractCegarLoop]: Abstraction has 7924 states and 13424 transitions. [2018-10-27 07:44:31,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:44:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7924 states and 13424 transitions. [2018-10-27 07:44:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 07:44:31,605 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:44:31,606 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, 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] [2018-10-27 07:44:31,606 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:44:31,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:44:31,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1301757085, now seen corresponding path program 1 times [2018-10-27 07:44:31,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:44:31,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:31,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:44:31,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:31,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:44:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:44:31,879 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:44:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:44:32,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:44:32,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:44:32,097 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:44:32,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:44:32,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:44:32,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:44:32,098 INFO L87 Difference]: Start difference. First operand 7924 states and 13424 transitions. Second operand 6 states. [2018-10-27 07:44:42,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:44:42,018 INFO L93 Difference]: Finished difference Result 22224 states and 38011 transitions. [2018-10-27 07:44:42,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:44:42,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-10-27 07:44:42,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:44:42,093 INFO L225 Difference]: With dead ends: 22224 [2018-10-27 07:44:42,093 INFO L226 Difference]: Without dead ends: 14306 [2018-10-27 07:44:42,138 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 07:44:42,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14306 states. [2018-10-27 07:44:42,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14306 to 14219. [2018-10-27 07:44:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14219 states. [2018-10-27 07:44:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14219 states to 14219 states and 21557 transitions. [2018-10-27 07:44:42,482 INFO L78 Accepts]: Start accepts. Automaton has 14219 states and 21557 transitions. Word has length 158 [2018-10-27 07:44:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:44:42,483 INFO L481 AbstractCegarLoop]: Abstraction has 14219 states and 21557 transitions. [2018-10-27 07:44:42,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:44:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14219 states and 21557 transitions. [2018-10-27 07:44:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 07:44:42,492 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:44:42,492 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:44:42,493 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:44:42,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:44:42,493 INFO L82 PathProgramCache]: Analyzing trace with hash -825092784, now seen corresponding path program 1 times [2018-10-27 07:44:42,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:44:42,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:42,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:44:42,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:42,495 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:44:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:44:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:44:42,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:44:42,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:44:42,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:44:42,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:44:42,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:44:42,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:44:42,774 INFO L87 Difference]: Start difference. First operand 14219 states and 21557 transitions. Second operand 6 states. [2018-10-27 07:44:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:44:54,926 INFO L93 Difference]: Finished difference Result 35967 states and 55895 transitions. [2018-10-27 07:44:54,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:44:54,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2018-10-27 07:44:54,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:44:55,034 INFO L225 Difference]: With dead ends: 35967 [2018-10-27 07:44:55,035 INFO L226 Difference]: Without dead ends: 21754 [2018-10-27 07:44:55,102 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:44:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21754 states. [2018-10-27 07:44:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21754 to 21659. [2018-10-27 07:44:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21659 states. [2018-10-27 07:44:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21659 states to 21659 states and 30278 transitions. [2018-10-27 07:44:55,593 INFO L78 Accepts]: Start accepts. Automaton has 21659 states and 30278 transitions. Word has length 191 [2018-10-27 07:44:55,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:44:55,594 INFO L481 AbstractCegarLoop]: Abstraction has 21659 states and 30278 transitions. [2018-10-27 07:44:55,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:44:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 21659 states and 30278 transitions. [2018-10-27 07:44:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-27 07:44:55,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:44:55,616 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 07:44:55,616 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:44:55,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:44:55,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1239328397, now seen corresponding path program 1 times [2018-10-27 07:44:55,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:44:55,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:55,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:44:55,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:44:55,618 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:44:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:44:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 07:44:56,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:44:56,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 07:44:56,140 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:44:56,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 07:44:56,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 07:44:56,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 07:44:56,141 INFO L87 Difference]: Start difference. First operand 21659 states and 30278 transitions. Second operand 5 states. [2018-10-27 07:45:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:45:17,803 INFO L93 Difference]: Finished difference Result 71497 states and 103334 transitions. [2018-10-27 07:45:17,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:45:17,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2018-10-27 07:45:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:45:18,033 INFO L225 Difference]: With dead ends: 71497 [2018-10-27 07:45:18,033 INFO L226 Difference]: Without dead ends: 49844 [2018-10-27 07:45:18,133 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:45:18,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49844 states. [2018-10-27 07:45:19,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49844 to 49056. [2018-10-27 07:45:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49056 states. [2018-10-27 07:45:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49056 states to 49056 states and 64453 transitions. [2018-10-27 07:45:19,143 INFO L78 Accepts]: Start accepts. Automaton has 49056 states and 64453 transitions. Word has length 267 [2018-10-27 07:45:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:45:19,144 INFO L481 AbstractCegarLoop]: Abstraction has 49056 states and 64453 transitions. [2018-10-27 07:45:19,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 07:45:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 49056 states and 64453 transitions. [2018-10-27 07:45:19,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-27 07:45:19,173 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:45:19,174 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 07:45:19,174 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:45:19,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:45:19,174 INFO L82 PathProgramCache]: Analyzing trace with hash 866225877, now seen corresponding path program 1 times [2018-10-27 07:45:19,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:45:19,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:45:19,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:45:19,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:45:19,176 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:45:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:45:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 75 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 07:45:19,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:45:19,907 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:45:19,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-10-27 07:45:19,911 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2315], [2323], [2331], [2335], [2337], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2400], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2560], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-27 07:45:20,015 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:45:20,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:45:20,539 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:45:20,541 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 07:45:20,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:45:20,585 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:45:21,123 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 75.81% of their original sizes. [2018-10-27 07:45:21,123 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:45:21,363 INFO L415 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-10-27 07:45:21,363 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:45:21,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:45:21,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-27 07:45:21,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:45:21,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:45:21,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:45:21,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:45:21,366 INFO L87 Difference]: Start difference. First operand 49056 states and 64453 transitions. Second operand 6 states. Received shutdown request... [2018-10-27 07:47:44,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:47:44,662 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 07:47:44,667 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 07:47:44,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:47:44 BoogieIcfgContainer [2018-10-27 07:47:44,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 07:47:44,668 INFO L168 Benchmark]: Toolchain (without parser) took 242511.45 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -223.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 07:47:44,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2186.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 585.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,672 INFO L168 Benchmark]: Boogie Preprocessor took 281.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,673 INFO L168 Benchmark]: RCFGBuilder took 11167.28 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 201.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -216.9 MB). Peak memory consumption was 681.5 MB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,674 INFO L168 Benchmark]: TraceAbstraction took 228283.95 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 1.6 GB in the end (delta: 782.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 07:47:44,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 2186.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 585.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 786.4 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11167.28 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 201.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -216.9 MB). Peak memory consumption was 681.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228283.95 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.4 GB in the beginning and 1.6 GB in the end (delta: 782.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 204]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 204). Cancelled while BasicCegarLoop was constructing difference of abstraction (49056states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (22067 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 228.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 220.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1185 SDtfs, 19080 SDslu, 1119 SDs, 0 SdLazy, 36014 SolverSat, 7585 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 193.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 324 GetRequests, 280 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49056occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9980938613184991 AbsIntWeakeningRatio, 0.1 AbsIntAvgWeakeningVarsNumRemoved, 17.537037037037038 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1253 NumberOfCodeBlocks, 1253 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1246 ConstructedInterpolants, 0 QuantifiedInterpolants, 775040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 593/668 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown