java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:32:20,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:32:20,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:32:20,375 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:32:20,376 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:32:20,378 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:32:20,379 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:32:20,381 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:32:20,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:32:20,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:32:20,387 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:32:20,387 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:32:20,388 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:32:20,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:32:20,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:32:20,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:32:20,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:32:20,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:32:20,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:32:20,406 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:32:20,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:32:20,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:32:20,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:32:20,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 22:32:20,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 22:32:20,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 22:32:20,419 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 22:32:20,419 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 22:32:20,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:32:20,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:32:20,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:32:20,436 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:32:20,437 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:32:20,437 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:32:20,437 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:32:20,437 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:32:20,438 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:32:20,438 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:32:20,438 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:32:20,438 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:32:20,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:32:20,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:32:20,440 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:32:20,440 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:32:20,440 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:32:20,440 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:32:20,440 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:32:20,441 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:32:20,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:32:20,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:32:20,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:32:20,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:32:20,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:32:20,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:32:20,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:32:20,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:32:20,443 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:32:20,443 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:32:20,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:32:20,444 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:32:20,444 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:32:20,444 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:32:20,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:32:20,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:32:20,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:32:20,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:32:20,514 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:32:20,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-10-24 22:32:20,574 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/60e2afb88/a0d76b866b404926a97ac9149e83dd28/FLAG38b351c07 [2018-10-24 22:32:21,429 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:32:21,431 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-10-24 22:32:21,485 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/60e2afb88/a0d76b866b404926a97ac9149e83dd28/FLAG38b351c07 [2018-10-24 22:32:21,510 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/60e2afb88/a0d76b866b404926a97ac9149e83dd28 [2018-10-24 22:32:21,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:32:21,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:32:21,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:32:21,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:32:21,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:32:21,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:21" (1/1) ... [2018-10-24 22:32:21,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a445e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:21, skipping insertion in model container [2018-10-24 22:32:21,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:32:21" (1/1) ... [2018-10-24 22:32:21,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:32:21,813 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:32:23,851 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:32:23,856 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:32:25,010 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:32:25,061 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:32:25,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25 WrapperNode [2018-10-24 22:32:25,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:32:25,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:32:25,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:32:25,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:32:25,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:25,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:25,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:32:25,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:32:25,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:32:25,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:32:25,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:25,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:25,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:25,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:26,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:26,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:26,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... [2018-10-24 22:32:26,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:32:26,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:32:26,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:32:26,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:32:26,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:32:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:32:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:32:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 22:32:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 22:32:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 22:32:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 22:32:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 22:32:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 22:32:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 22:32:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 22:32:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 22:32:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 22:32:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:32:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:32:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:32:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:32:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:32:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:32:44,092 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:32:44,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:44 BoogieIcfgContainer [2018-10-24 22:32:44,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:32:44,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:32:44,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:32:44,100 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:32:44,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:32:21" (1/3) ... [2018-10-24 22:32:44,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634cd71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:44, skipping insertion in model container [2018-10-24 22:32:44,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:32:25" (2/3) ... [2018-10-24 22:32:44,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634cd71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:32:44, skipping insertion in model container [2018-10-24 22:32:44,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:32:44" (3/3) ... [2018-10-24 22:32:44,103 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label46_true-unreach-call.c [2018-10-24 22:32:44,113 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:32:44,124 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:32:44,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:32:44,194 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:32:44,194 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:32:44,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:32:44,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:32:44,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:32:44,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:32:44,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:32:44,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:32:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 22:32:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-24 22:32:44,256 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:32:44,257 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] [2018-10-24 22:32:44,259 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:32:44,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:32:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1162017062, now seen corresponding path program 1 times [2018-10-24 22:32:44,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:32:44,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:32:44,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:32:44,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:32:44,324 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:32:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:32:44,769 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:32:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:32:44,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:32:44,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 22:32:44,898 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:32:44,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:32:44,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:32:44,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 22:32:44,927 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 22:33:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:33:02,336 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 22:33:02,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:33:02,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-10-24 22:33:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:33:02,396 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 22:33:02,396 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 22:33:02,409 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 [2018-10-24 22:33:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 22:33:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 22:33:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 22:33:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 22:33:02,627 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 39 [2018-10-24 22:33:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:33:02,627 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 22:33:02,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:33:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 22:33:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 22:33:02,635 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:33:02,635 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:33:02,636 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:33:02,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:33:02,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1856451076, now seen corresponding path program 1 times [2018-10-24 22:33:02,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:33:02,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:02,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:33:02,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:02,638 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:33:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:33:03,076 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:33:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:33:03,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:33:03,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:33:03,441 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:33:03,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:33:03,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:33:03,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:33:03,444 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 22:33:30,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:33:30,921 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-10-24 22:33:30,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:33:30,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-24 22:33:30,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:33:30,954 INFO L225 Difference]: With dead ends: 9340 [2018-10-24 22:33:30,954 INFO L226 Difference]: Without dead ends: 6131 [2018-10-24 22:33:30,965 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 [2018-10-24 22:33:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-10-24 22:33:31,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-10-24 22:33:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-10-24 22:33:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-10-24 22:33:31,151 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 111 [2018-10-24 22:33:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:33:31,152 INFO L481 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-10-24 22:33:31,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:33:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-10-24 22:33:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-24 22:33:31,161 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:33:31,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:33:31,163 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:33:31,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:33:31,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1738587407, now seen corresponding path program 1 times [2018-10-24 22:33:31,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:33:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:31,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:33:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:31,167 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:33:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:33:31,457 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:33:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:33:31,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:33:31,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:33:31,707 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:33:31,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:33:31,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:33:31,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:33:31,708 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-10-24 22:33:57,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:33:57,471 INFO L93 Difference]: Finished difference Result 21103 states and 34241 transitions. [2018-10-24 22:33:57,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 22:33:57,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-10-24 22:33:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:33:57,550 INFO L225 Difference]: With dead ends: 21103 [2018-10-24 22:33:57,551 INFO L226 Difference]: Without dead ends: 15018 [2018-10-24 22:33:57,580 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 [2018-10-24 22:33:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2018-10-24 22:33:57,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14826. [2018-10-24 22:33:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14826 states. [2018-10-24 22:33:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14826 states to 14826 states and 22435 transitions. [2018-10-24 22:33:57,923 INFO L78 Accepts]: Start accepts. Automaton has 14826 states and 22435 transitions. Word has length 113 [2018-10-24 22:33:57,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:33:57,923 INFO L481 AbstractCegarLoop]: Abstraction has 14826 states and 22435 transitions. [2018-10-24 22:33:57,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:33:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14826 states and 22435 transitions. [2018-10-24 22:33:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-24 22:33:57,933 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:33:57,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:33:57,933 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:33:57,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:33:57,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1196319888, now seen corresponding path program 1 times [2018-10-24 22:33:57,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:33:57,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:57,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:33:57,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:33:57,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:33:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:33:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:33:58,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:33:58,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:33:58,229 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:33:58,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:33:58,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:33:58,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:33:58,231 INFO L87 Difference]: Start difference. First operand 14826 states and 22435 transitions. Second operand 6 states. [2018-10-24 22:34:43,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:34:43,233 INFO L93 Difference]: Finished difference Result 58701 states and 93402 transitions. [2018-10-24 22:34:43,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:34:43,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-24 22:34:43,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:34:43,430 INFO L225 Difference]: With dead ends: 58701 [2018-10-24 22:34:43,430 INFO L226 Difference]: Without dead ends: 43881 [2018-10-24 22:34:43,508 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 [2018-10-24 22:34:43,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43881 states. [2018-10-24 22:34:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43881 to 43780. [2018-10-24 22:34:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43780 states. [2018-10-24 22:34:44,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43780 states to 43780 states and 63271 transitions. [2018-10-24 22:34:44,918 INFO L78 Accepts]: Start accepts. Automaton has 43780 states and 63271 transitions. Word has length 135 [2018-10-24 22:34:44,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:34:44,918 INFO L481 AbstractCegarLoop]: Abstraction has 43780 states and 63271 transitions. [2018-10-24 22:34:44,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:34:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 43780 states and 63271 transitions. [2018-10-24 22:34:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 22:34:44,923 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:34:44,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:34:44,924 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:34:44,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:34:44,924 INFO L82 PathProgramCache]: Analyzing trace with hash -307863100, now seen corresponding path program 1 times [2018-10-24 22:34:44,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:34:44,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:44,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:34:44,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:34:44,927 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:34:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:34:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:34:45,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:34:45,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:34:45,284 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:34:45,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:34:45,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:34:45,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:34:45,285 INFO L87 Difference]: Start difference. First operand 43780 states and 63271 transitions. Second operand 5 states. [2018-10-24 22:35:21,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:35:21,022 INFO L93 Difference]: Finished difference Result 132707 states and 204461 transitions. [2018-10-24 22:35:21,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 22:35:21,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-10-24 22:35:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:35:21,364 INFO L225 Difference]: With dead ends: 132707 [2018-10-24 22:35:21,364 INFO L226 Difference]: Without dead ends: 88933 [2018-10-24 22:35:21,464 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 [2018-10-24 22:35:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88933 states. [2018-10-24 22:35:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88933 to 88213. [2018-10-24 22:35:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88213 states. [2018-10-24 22:35:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88213 states to 88213 states and 122132 transitions. [2018-10-24 22:35:23,374 INFO L78 Accepts]: Start accepts. Automaton has 88213 states and 122132 transitions. Word has length 144 [2018-10-24 22:35:23,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:35:23,374 INFO L481 AbstractCegarLoop]: Abstraction has 88213 states and 122132 transitions. [2018-10-24 22:35:23,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:35:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 88213 states and 122132 transitions. [2018-10-24 22:35:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-24 22:35:23,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:35:23,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:35:23,382 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:35:23,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:35:23,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1334386755, now seen corresponding path program 1 times [2018-10-24 22:35:23,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:35:23,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:23,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:35:23,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:23,384 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:35:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:35:23,692 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:35:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:35:24,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:35:24,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 22:35:24,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:35:24,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 22:35:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 22:35:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 22:35:24,123 INFO L87 Difference]: Start difference. First operand 88213 states and 122132 transitions. Second operand 6 states. [2018-10-24 22:35:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:35:50,976 INFO L93 Difference]: Finished difference Result 208103 states and 304700 transitions. [2018-10-24 22:35:50,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:35:50,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-10-24 22:35:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:35:51,394 INFO L225 Difference]: With dead ends: 208103 [2018-10-24 22:35:51,394 INFO L226 Difference]: Without dead ends: 119896 [2018-10-24 22:35:51,581 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 22:35:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119896 states. [2018-10-24 22:35:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119896 to 119541. [2018-10-24 22:35:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119541 states. [2018-10-24 22:35:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119541 states to 119541 states and 161786 transitions. [2018-10-24 22:35:54,084 INFO L78 Accepts]: Start accepts. Automaton has 119541 states and 161786 transitions. Word has length 172 [2018-10-24 22:35:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:35:54,085 INFO L481 AbstractCegarLoop]: Abstraction has 119541 states and 161786 transitions. [2018-10-24 22:35:54,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 22:35:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 119541 states and 161786 transitions. [2018-10-24 22:35:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-24 22:35:54,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:35:54,092 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:35:54,093 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:35:54,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:35:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash -857501470, now seen corresponding path program 1 times [2018-10-24 22:35:54,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:35:54,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:54,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:35:54,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:35:54,095 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:35:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:35:54,355 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:35:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 22:35:54,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:35:54,784 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:35:54,785 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-10-24 22:35:54,787 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], [5438], [5440], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [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] [2018-10-24 22:35:54,862 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 22:35:54,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:35:59,399 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 22:35:59,491 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:35:59,493 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 22:35:59,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:35:59,504 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:36:02,544 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 75.47% of their original sizes. [2018-10-24 22:36:02,545 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:36:03,019 INFO L413 sIntCurrentIteration]: We have 209 unified AI predicates [2018-10-24 22:36:03,019 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:36:03,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:36:03,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 22:36:03,020 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:36:03,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 22:36:03,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 22:36:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 22:36:03,022 INFO L87 Difference]: Start difference. First operand 119541 states and 161786 transitions. Second operand 7 states. Received shutdown request... [2018-10-24 22:36:11,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:36:11,690 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:36:11,697 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:36:11,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:36:11 BoogieIcfgContainer [2018-10-24 22:36:11,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:36:11,699 INFO L168 Benchmark]: Toolchain (without parser) took 230173.86 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 2.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 956.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,700 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-24 22:36:11,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3535.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.4 MB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 739.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 839.9 MB). Free memory was 985.4 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,702 INFO L168 Benchmark]: Boogie Preprocessor took 421.04 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,703 INFO L168 Benchmark]: RCFGBuilder took 17869.73 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 197.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 456.9 MB). Peak memory consumption was 680.1 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,704 INFO L168 Benchmark]: TraceAbstraction took 207601.43 ms. Allocated memory was 2.6 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 2.6 GB in the end (delta: -918.7 MB). Peak memory consumption was 257.3 MB. Max. memory is 7.1 GB. [2018-10-24 22:36:11,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3535.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.4 MB in the end (delta: 401.7 MB). Peak memory consumption was 401.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 739.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 839.9 MB). Free memory was 985.4 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 421.04 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: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17869.73 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 197.7 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 456.9 MB). Peak memory consumption was 680.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207601.43 ms. Allocated memory was 2.6 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 2.6 GB in the end (delta: -918.7 MB). Peak memory consumption was 257.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was constructing difference of abstraction (119541states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (3837 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 207.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 188.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3668 SDtfs, 36836 SDslu, 4302 SDs, 0 SdLazy, 65989 SolverSat, 14278 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 159.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 262 GetRequests, 218 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119541occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995553919764446 AbsIntWeakeningRatio, 0.1339712918660287 AbsIntAvgWeakeningVarsNumRemoved, 1031.4066985645934 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 1411 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 924 NumberOfCodeBlocks, 924 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 917 ConstructedInterpolants, 0 QuantifiedInterpolants, 588874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 229/294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown