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/Problem19_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 02:17:10,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 02:17:10,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 02:17:10,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 02:17:10,086 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 02:17:10,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 02:17:10,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 02:17:10,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 02:17:10,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 02:17:10,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 02:17:10,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 02:17:10,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 02:17:10,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 02:17:10,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 02:17:10,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 02:17:10,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 02:17:10,108 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 02:17:10,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 02:17:10,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 02:17:10,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 02:17:10,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 02:17:10,127 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 02:17:10,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 02:17:10,143 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 02:17:10,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 02:17:10,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 02:17:10,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 02:17:10,147 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 [2018-10-25 02:17:10,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 02:17:10,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 02:17:10,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 02:17:10,169 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 02:17:10,169 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 02:17:10,169 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 02:17:10,169 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 02:17:10,170 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 02:17:10,170 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 02:17:10,170 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 02:17:10,170 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 02:17:10,170 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 02:17:10,171 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 02:17:10,171 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 02:17:10,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 02:17:10,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 02:17:10,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 02:17:10,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 02:17:10,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 02:17:10,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 02:17:10,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 02:17:10,173 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 02:17:10,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 02:17:10,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 02:17:10,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 02:17:10,174 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 02:17:10,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 02:17:10,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 02:17:10,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 02:17:10,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 02:17:10,175 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 02:17:10,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 02:17:10,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 02:17:10,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 02:17:10,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 02:17:10,241 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 02:17:10,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-25 02:17:10,306 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6cd85336d/e30dd5bcf93240c2abf1f531f5ed453f/FLAG23f86b8de [2018-10-25 02:17:11,152 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 02:17:11,153 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-25 02:17:11,198 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6cd85336d/e30dd5bcf93240c2abf1f531f5ed453f/FLAG23f86b8de [2018-10-25 02:17:11,213 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6cd85336d/e30dd5bcf93240c2abf1f531f5ed453f [2018-10-25 02:17:11,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 02:17:11,226 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 02:17:11,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 02:17:11,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 02:17:11,231 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 02:17:11,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:17:11" (1/1) ... [2018-10-25 02:17:11,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b295a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:11, skipping insertion in model container [2018-10-25 02:17:11,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:17:11" (1/1) ... [2018-10-25 02:17:11,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 02:17:11,493 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 02:17:13,568 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:17:13,573 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 02:17:14,733 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:17:14,787 INFO L193 MainTranslator]: Completed translation [2018-10-25 02:17:14,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14 WrapperNode [2018-10-25 02:17:14,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 02:17:14,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 02:17:14,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 02:17:14,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 02:17:14,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:14,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 02:17:15,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 02:17:15,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 02:17:15,511 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 02:17:15,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... [2018-10-25 02:17:15,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 02:17:15,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 02:17:15,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 02:17:15,955 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 02:17:15,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 02:17:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 02:17:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 02:17:16,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-25 02:17:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-25 02:17:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-25 02:17:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-25 02:17:16,027 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-25 02:17:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-25 02:17:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-25 02:17:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-25 02:17:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-25 02:17:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-25 02:17:16,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 02:17:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 02:17:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 02:17:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 02:17:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 02:17:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 02:17:34,696 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 02:17:34,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:17:34 BoogieIcfgContainer [2018-10-25 02:17:34,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 02:17:34,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 02:17:34,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 02:17:34,701 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 02:17:34,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:17:11" (1/3) ... [2018-10-25 02:17:34,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29315ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:17:34, skipping insertion in model container [2018-10-25 02:17:34,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:17:14" (2/3) ... [2018-10-25 02:17:34,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29315ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:17:34, skipping insertion in model container [2018-10-25 02:17:34,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:17:34" (3/3) ... [2018-10-25 02:17:34,706 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-10-25 02:17:34,716 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 02:17:34,727 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 02:17:34,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 02:17:34,800 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 02:17:34,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 02:17:34,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 02:17:34,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 02:17:34,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 02:17:34,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 02:17:34,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 02:17:34,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 02:17:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-25 02:17:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-25 02:17:34,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:17:34,874 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] [2018-10-25 02:17:34,877 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:17:34,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:17:34,882 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-10-25 02:17:34,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:17:34,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:34,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:17:34,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:34,942 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:17:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:17:35,449 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:17:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:17:35,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:17:35,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 02:17:35,578 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:17:35,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 02:17:35,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 02:17:35,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:17:35,603 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-25 02:17:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:17:54,742 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-25 02:17:54,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 02:17:54,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-10-25 02:17:54,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:17:54,803 INFO L225 Difference]: With dead ends: 4998 [2018-10-25 02:17:54,803 INFO L226 Difference]: Without dead ends: 3218 [2018-10-25 02:17:54,821 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:17:54,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-25 02:17:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-25 02:17:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-25 02:17:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-25 02:17:55,041 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-10-25 02:17:55,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:17:55,042 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-25 02:17:55,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 02:17:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-25 02:17:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-25 02:17:55,057 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:17:55,058 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] [2018-10-25 02:17:55,058 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:17:55,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:17:55,059 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-10-25 02:17:55,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:17:55,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:55,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:17:55,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:17:55,064 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:17:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:17:55,442 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:17:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:17:55,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:17:55,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:17:55,838 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:17:55,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:17:55,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:17:55,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:17:55,842 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-25 02:18:24,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:18:24,046 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-25 02:18:24,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:18:24,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-25 02:18:24,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:18:24,079 INFO L225 Difference]: With dead ends: 9340 [2018-10-25 02:18:24,079 INFO L226 Difference]: Without dead ends: 6131 [2018-10-25 02:18:24,091 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:18:24,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-25 02:18:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-25 02:18:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-25 02:18:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-25 02:18:24,232 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 135 [2018-10-25 02:18:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:18:24,232 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-25 02:18:24,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:18:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-25 02:18:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-25 02:18:24,236 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:18:24,236 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] [2018-10-25 02:18:24,236 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:18:24,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:18:24,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-10-25 02:18:24,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:18:24,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:24,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:18:24,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:24,238 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:18:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:18:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:18:24,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:18:24,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:18:24,471 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:18:24,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:18:24,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:18:24,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:18:24,472 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-25 02:18:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:18:51,896 INFO L93 Difference]: Finished difference Result 21106 states and 34251 transitions. [2018-10-25 02:18:51,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 02:18:51,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-10-25 02:18:51,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:18:51,976 INFO L225 Difference]: With dead ends: 21106 [2018-10-25 02:18:51,976 INFO L226 Difference]: Without dead ends: 15021 [2018-10-25 02:18:51,999 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:18:52,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15021 states. [2018-10-25 02:18:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15021 to 14829. [2018-10-25 02:18:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14829 states. [2018-10-25 02:18:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14829 states to 14829 states and 22444 transitions. [2018-10-25 02:18:52,372 INFO L78 Accepts]: Start accepts. Automaton has 14829 states and 22444 transitions. Word has length 137 [2018-10-25 02:18:52,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:18:52,373 INFO L481 AbstractCegarLoop]: Abstraction has 14829 states and 22444 transitions. [2018-10-25 02:18:52,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:18:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14829 states and 22444 transitions. [2018-10-25 02:18:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-25 02:18:52,377 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:18:52,377 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] [2018-10-25 02:18:52,378 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:18:52,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:18:52,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-10-25 02:18:52,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:18:52,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:52,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:18:52,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:18:52,384 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:18:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:18:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:18:52,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:18:52,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:18:52,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:18:52,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:18:52,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:18:52,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:18:52,669 INFO L87 Difference]: Start difference. First operand 14829 states and 22444 transitions. Second operand 6 states. [2018-10-25 02:19:44,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:19:44,420 INFO L93 Difference]: Finished difference Result 58707 states and 93434 transitions. [2018-10-25 02:19:44,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:19:44,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-25 02:19:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:19:44,605 INFO L225 Difference]: With dead ends: 58707 [2018-10-25 02:19:44,605 INFO L226 Difference]: Without dead ends: 43884 [2018-10-25 02:19:44,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-25 02:19:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43884 states. [2018-10-25 02:19:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43884 to 43792. [2018-10-25 02:19:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43792 states. [2018-10-25 02:19:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43792 states to 43792 states and 63299 transitions. [2018-10-25 02:19:45,604 INFO L78 Accepts]: Start accepts. Automaton has 43792 states and 63299 transitions. Word has length 159 [2018-10-25 02:19:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:19:45,604 INFO L481 AbstractCegarLoop]: Abstraction has 43792 states and 63299 transitions. [2018-10-25 02:19:45,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:19:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 43792 states and 63299 transitions. [2018-10-25 02:19:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-25 02:19:45,609 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:19:45,610 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, 1, 1, 1, 1, 1] [2018-10-25 02:19:45,610 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:19:45,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:19:45,610 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-10-25 02:19:45,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:19:45,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:45,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:19:45,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:19:45,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:19:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:19:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:19:45,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:19:45,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 02:19:45,899 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:19:45,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 02:19:45,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 02:19:45,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 02:19:45,901 INFO L87 Difference]: Start difference. First operand 43792 states and 63299 transitions. Second operand 5 states. [2018-10-25 02:20:16,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:20:16,304 INFO L93 Difference]: Finished difference Result 132734 states and 204533 transitions. [2018-10-25 02:20:16,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 02:20:16,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-10-25 02:20:16,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:20:16,625 INFO L225 Difference]: With dead ends: 132734 [2018-10-25 02:20:16,626 INFO L226 Difference]: Without dead ends: 88948 [2018-10-25 02:20:16,719 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 02:20:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88948 states. [2018-10-25 02:20:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88948 to 88228. [2018-10-25 02:20:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88228 states. [2018-10-25 02:20:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88228 states to 88228 states and 122156 transitions. [2018-10-25 02:20:19,122 INFO L78 Accepts]: Start accepts. Automaton has 88228 states and 122156 transitions. Word has length 168 [2018-10-25 02:20:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:20:19,122 INFO L481 AbstractCegarLoop]: Abstraction has 88228 states and 122156 transitions. [2018-10-25 02:20:19,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 02:20:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 88228 states and 122156 transitions. [2018-10-25 02:20:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-25 02:20:19,132 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:20:19,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:20:19,132 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:20:19,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:20:19,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-10-25 02:20:19,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:20:19,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:20:19,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:20:19,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:20:19,135 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:20:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:20:19,383 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:20:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:20:19,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:20:19,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:20:19,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:20:19,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:20:19,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:20:19,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:20:19,687 INFO L87 Difference]: Start difference. First operand 88228 states and 122156 transitions. Second operand 6 states. [2018-10-25 02:20:41,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:20:41,192 INFO L93 Difference]: Finished difference Result 209527 states and 307992 transitions. [2018-10-25 02:20:41,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 02:20:41,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-10-25 02:20:41,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:20:41,627 INFO L225 Difference]: With dead ends: 209527 [2018-10-25 02:20:41,627 INFO L226 Difference]: Without dead ends: 121305 [2018-10-25 02:20:41,776 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:20:41,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121305 states. [2018-10-25 02:20:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121305 to 120950. [2018-10-25 02:20:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120950 states. [2018-10-25 02:20:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120950 states to 120950 states and 164944 transitions. [2018-10-25 02:20:44,563 INFO L78 Accepts]: Start accepts. Automaton has 120950 states and 164944 transitions. Word has length 196 [2018-10-25 02:20:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:20:44,564 INFO L481 AbstractCegarLoop]: Abstraction has 120950 states and 164944 transitions. [2018-10-25 02:20:44,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:20:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 120950 states and 164944 transitions. [2018-10-25 02:20:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-25 02:20:44,574 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:20:44,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 02:20:44,575 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:20:44,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:20:44,575 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-10-25 02:20:44,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:20:44,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:20:44,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:20:44,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:20:44,576 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:20:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:20:44,825 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:20:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 02:20:45,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 02:20:45,225 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 02:20:45,226 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-10-25 02:20:45,228 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5630], [5632], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-25 02:20:45,274 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 02:20:45,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 02:20:45,825 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 02:20:45,826 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-25 02:20:45,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:20:45,869 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 02:20:46,397 INFO L232 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 75.8% of their original sizes. [2018-10-25 02:20:46,397 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 02:20:46,651 INFO L413 sIntCurrentIteration]: We have 233 unified AI predicates [2018-10-25 02:20:46,652 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 02:20:46,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 02:20:46,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 02:20:46,653 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:20:46,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:20:46,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:20:46,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:20:46,654 INFO L87 Difference]: Start difference. First operand 120950 states and 164944 transitions. Second operand 6 states. Received shutdown request... [2018-10-25 02:21:04,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 02:21:04,674 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-25 02:21:04,679 WARN L205 ceAbstractionStarter]: Timeout [2018-10-25 02:21:04,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:21:04 BoogieIcfgContainer [2018-10-25 02:21:04,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 02:21:04,680 INFO L168 Benchmark]: Toolchain (without parser) took 233455.66 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 56.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,681 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 02:21:04,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3561.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 982.9 MB in the end (delta: 406.0 MB). Peak memory consumption was 406.0 MB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 721.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.8 MB). Free memory was 982.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,684 INFO L168 Benchmark]: Boogie Preprocessor took 443.35 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,684 INFO L168 Benchmark]: RCFGBuilder took 18742.47 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 166.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 504.3 MB). Peak memory consumption was 671.0 MB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,685 INFO L168 Benchmark]: TraceAbstraction took 209981.92 ms. Allocated memory was 2.5 GB in the beginning and 3.7 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 349.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-25 02:21:04,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3561.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 982.9 MB in the end (delta: 406.0 MB). Peak memory consumption was 406.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 721.61 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 847.8 MB). Free memory was 982.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 443.35 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18742.47 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 166.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 504.3 MB). Peak memory consumption was 671.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209981.92 ms. Allocated memory was 2.5 GB in the beginning and 3.7 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 349.1 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: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (120950states) and FLOYD_HOARE automaton (currently 6 states, 6 states before enhancement),while ReachableStatesComputation was computing reachable states (17819 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 209.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 197.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3792 SDtfs, 37156 SDslu, 4429 SDs, 0 SdLazy, 66398 SolverSat, 14484 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 164.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 286 GetRequests, 243 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120950occurred 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, 0.997969996663783 AbsIntWeakeningRatio, 0.12017167381974249 AbsIntAvgWeakeningVarsNumRemoved, 17.27467811158798 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 1402 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 717466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown