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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 11:56:40,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:56:40,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:56:40,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:56:40,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:56:40,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:56:40,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:56:40,283 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:56:40,287 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:56:40,288 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:56:40,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:56:40,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:56:40,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:56:40,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:56:40,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:56:40,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:56:40,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:56:40,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:56:40,310 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:56:40,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:56:40,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:56:40,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:56:40,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 11:56:40,332 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:56:40,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:56:40,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:56:40,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:56:40,361 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:56:40,361 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:56:40,362 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:56:40,362 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:56:40,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:56:40,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:56:40,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:56:40,363 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:56:40,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:56:40,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:56:40,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:56:40,364 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:56:40,364 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:56:40,365 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:56:40,365 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:56:40,365 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:56:40,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:56:40,365 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:56:40,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:56:40,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:56:40,367 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:56:40,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:56:40,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:56:40,368 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:56:40,368 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:56:40,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:56:40,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:56:40,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:56:40,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:56:40,466 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:56:40,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-10-24 11:56:40,534 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a33cd330/d944b3bd21d04a24b141c72bd5d22534/FLAGe9cb38d8a [2018-10-24 11:56:41,036 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:56:41,037 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/large_const_true-unreach-call_true-termination.i [2018-10-24 11:56:41,043 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a33cd330/d944b3bd21d04a24b141c72bd5d22534/FLAGe9cb38d8a [2018-10-24 11:56:41,056 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a33cd330/d944b3bd21d04a24b141c72bd5d22534 [2018-10-24 11:56:41,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:56:41,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:56:41,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:56:41,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:56:41,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:56:41,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0d25d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41, skipping insertion in model container [2018-10-24 11:56:41,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:56:41,106 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:56:41,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:56:41,287 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:56:41,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:56:41,321 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:56:41,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41 WrapperNode [2018-10-24 11:56:41,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:56:41,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:56:41,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:56:41,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:56:41,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:56:41,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:56:41,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:56:41,363 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:56:41,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (1/1) ... [2018-10-24 11:56:41,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:56:41,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:56:41,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:56:41,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:56:41,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (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 11:56:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:56:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:56:41,794 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:56:41,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:56:41 BoogieIcfgContainer [2018-10-24 11:56:41,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:56:41,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:56:41,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:56:41,800 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:56:41,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:56:41" (1/3) ... [2018-10-24 11:56:41,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595dbf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:56:41, skipping insertion in model container [2018-10-24 11:56:41,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:56:41" (2/3) ... [2018-10-24 11:56:41,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595dbf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:56:41, skipping insertion in model container [2018-10-24 11:56:41,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:56:41" (3/3) ... [2018-10-24 11:56:41,804 INFO L112 eAbstractionObserver]: Analyzing ICFG large_const_true-unreach-call_true-termination.i [2018-10-24 11:56:41,812 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:56:41,820 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:56:41,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:56:41,867 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:56:41,868 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:56:41,868 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:56:41,869 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:56:41,869 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:56:41,869 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:56:41,869 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:56:41,869 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:56:41,869 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:56:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-10-24 11:56:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-24 11:56:41,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:41,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:41,895 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:41,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:41,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1949157102, now seen corresponding path program 1 times [2018-10-24 11:56:41,902 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:41,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:41,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:41,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:41,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:42,010 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 11:56:42,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:56:42,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 11:56:42,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 11:56:42,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 11:56:42,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:56:42,033 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-10-24 11:56:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:42,049 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2018-10-24 11:56:42,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 11:56:42,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-10-24 11:56:42,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:42,062 INFO L225 Difference]: With dead ends: 30 [2018-10-24 11:56:42,062 INFO L226 Difference]: Without dead ends: 15 [2018-10-24 11:56:42,067 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:56:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-24 11:56:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-24 11:56:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-24 11:56:42,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2018-10-24 11:56:42,103 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 9 [2018-10-24 11:56:42,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:42,104 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2018-10-24 11:56:42,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 11:56:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-24 11:56:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-24 11:56:42,105 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:42,105 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:42,106 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:42,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:42,106 INFO L82 PathProgramCache]: Analyzing trace with hash -164640891, now seen corresponding path program 1 times [2018-10-24 11:56:42,106 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:42,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:42,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:42,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:42,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:42,343 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 11:56:42,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:56:42,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 11:56:42,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 11:56:42,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 11:56:42,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 11:56:42,346 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 5 states. [2018-10-24 11:56:42,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:42,488 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-10-24 11:56:42,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 11:56:42,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-10-24 11:56:42,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:42,490 INFO L225 Difference]: With dead ends: 26 [2018-10-24 11:56:42,490 INFO L226 Difference]: Without dead ends: 17 [2018-10-24 11:56:42,491 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:56:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-10-24 11:56:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-10-24 11:56:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-24 11:56:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-10-24 11:56:42,496 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2018-10-24 11:56:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:42,497 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-10-24 11:56:42,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 11:56:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-10-24 11:56:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-24 11:56:42,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:42,498 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:42,498 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:42,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1340741308, now seen corresponding path program 1 times [2018-10-24 11:56:42,499 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:42,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:42,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:42,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:42,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:42,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:56:42,643 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:56:42,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:42,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:56:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:42,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:56:42,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-10-24 11:56:42,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 11:56:42,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 11:56:42,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:56:42,999 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 7 states. [2018-10-24 11:56:43,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:43,249 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2018-10-24 11:56:43,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 11:56:43,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-10-24 11:56:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:43,251 INFO L225 Difference]: With dead ends: 38 [2018-10-24 11:56:43,252 INFO L226 Difference]: Without dead ends: 36 [2018-10-24 11:56:43,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:56:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-24 11:56:43,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2018-10-24 11:56:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-24 11:56:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2018-10-24 11:56:43,264 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 14 [2018-10-24 11:56:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:43,264 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2018-10-24 11:56:43,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 11:56:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-10-24 11:56:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-24 11:56:43,266 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:43,266 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:43,266 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:43,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1643880152, now seen corresponding path program 1 times [2018-10-24 11:56:43,267 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:43,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:43,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:43,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:43,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:43,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:56:43,466 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:56:43,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:43,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:56:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:43,577 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:56:43,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-10-24 11:56:43,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 11:56:43,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 11:56:43,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:56:43,579 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 7 states. [2018-10-24 11:56:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:43,787 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-10-24 11:56:43,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 11:56:43,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-10-24 11:56:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:43,789 INFO L225 Difference]: With dead ends: 46 [2018-10-24 11:56:43,789 INFO L226 Difference]: Without dead ends: 44 [2018-10-24 11:56:43,790 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:56:43,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-24 11:56:43,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2018-10-24 11:56:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-24 11:56:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2018-10-24 11:56:43,798 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 15 [2018-10-24 11:56:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:43,799 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2018-10-24 11:56:43,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 11:56:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-10-24 11:56:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-24 11:56:43,800 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:43,800 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:43,800 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:43,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:43,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1841740518, now seen corresponding path program 1 times [2018-10-24 11:56:43,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:43,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:43,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:43,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:43,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:44,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:56:44,078 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:56:44,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:44,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:56:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:44,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:56:44,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-10-24 11:56:44,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 11:56:44,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 11:56:44,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:56:44,257 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 7 states. [2018-10-24 11:56:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:44,477 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2018-10-24 11:56:44,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 11:56:44,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-10-24 11:56:44,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:44,481 INFO L225 Difference]: With dead ends: 51 [2018-10-24 11:56:44,481 INFO L226 Difference]: Without dead ends: 49 [2018-10-24 11:56:44,482 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-24 11:56:44,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-24 11:56:44,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2018-10-24 11:56:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-24 11:56:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2018-10-24 11:56:44,489 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 15 [2018-10-24 11:56:44,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:44,490 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2018-10-24 11:56:44,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 11:56:44,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2018-10-24 11:56:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-24 11:56:44,491 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:44,491 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:44,491 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:44,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:44,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1808237883, now seen corresponding path program 1 times [2018-10-24 11:56:44,492 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:44,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:44,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:44,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:44,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:44,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:56:44,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 11:56:44,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 11:56:44,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 11:56:44,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-24 11:56:44,595 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand 5 states. [2018-10-24 11:56:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:44,653 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2018-10-24 11:56:44,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 11:56:44,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-10-24 11:56:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:44,654 INFO L225 Difference]: With dead ends: 46 [2018-10-24 11:56:44,655 INFO L226 Difference]: Without dead ends: 33 [2018-10-24 11:56:44,655 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 11:56:44,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-10-24 11:56:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-10-24 11:56:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-24 11:56:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2018-10-24 11:56:44,660 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 18 [2018-10-24 11:56:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:44,661 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2018-10-24 11:56:44,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 11:56:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2018-10-24 11:56:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-24 11:56:44,662 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:56:44,662 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:56:44,662 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:56:44,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:56:44,663 INFO L82 PathProgramCache]: Analyzing trace with hash 959789569, now seen corresponding path program 1 times [2018-10-24 11:56:44,663 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:56:44,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:56:44,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:44,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:44,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:56:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:44,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:44,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:56:44,732 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:56:44,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:56:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:56:44,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:56:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:56:44,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 11:56:44,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-10-24 11:56:44,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 11:56:44,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 11:56:44,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 11:56:44,830 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 6 states. [2018-10-24 11:56:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:56:44,852 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2018-10-24 11:56:44,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 11:56:44,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-10-24 11:56:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:56:44,855 INFO L225 Difference]: With dead ends: 39 [2018-10-24 11:56:44,855 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 11:56:44,856 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 11:56:44,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 11:56:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 11:56:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 11:56:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 11:56:44,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-10-24 11:56:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:56:44,857 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 11:56:44,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 11:56:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 11:56:44,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 11:56:44,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 11:56:45,251 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-10-24 11:56:45,446 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2018-10-24 11:56:45,449 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-24 11:56:45,449 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 11:56:45,449 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2018-10-24 11:56:45,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 11:56:45,450 INFO L421 ceAbstractionStarter]: At program point L32-3(lines 32 36) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse4 (<= 4000 ULTIMATE.start_main_~c1~0)) (.cse2 (<= ULTIMATE.start_main_~n~0 1)) (.cse3 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~j~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) .cse4) .cse2 (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1))) (and (<= ULTIMATE.start_main_~i~0 0) (<= ULTIMATE.start_main_~n~0 0) .cse3))) [2018-10-24 11:56:45,450 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 11:56:45,450 INFO L425 ceAbstractionStarter]: For program point L32-4(lines 32 36) no Hoare annotation was computed. [2018-10-24 11:56:45,450 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-10-24 11:56:45,450 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 30) no Hoare annotation was computed. [2018-10-24 11:56:45,451 INFO L425 ceAbstractionStarter]: For program point L20-3(lines 20 30) no Hoare annotation was computed. [2018-10-24 11:56:45,451 INFO L428 ceAbstractionStarter]: At program point L37(lines 10 38) the Hoare annotation is: true [2018-10-24 11:56:45,451 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-24 11:56:45,451 INFO L421 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (<= 2000 ULTIMATE.start_main_~c2~0) (<= 10000 ULTIMATE.start_main_~c3~0) (<= ULTIMATE.start_main_~n~0 1) (<= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~j~0 1)) (<= 4000 ULTIMATE.start_main_~c1~0)) [2018-10-24 11:56:45,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 11:56:45,451 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-10-24 11:56:45,452 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-24 11:56:45,452 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2018-10-24 11:56:45,452 INFO L421 ceAbstractionStarter]: At program point L26-2(lines 20 30) the Hoare annotation is: (let ((.cse0 (<= 2000 ULTIMATE.start_main_~c2~0)) (.cse1 (<= 10000 ULTIMATE.start_main_~c3~0)) (.cse2 (<= 4000 ULTIMATE.start_main_~c1~0))) (or (and (<= ULTIMATE.start_main_~i~0 0) (<= 0 ULTIMATE.start_main_~k~0) .cse0 .cse1 .cse2 (<= 0 ULTIMATE.start_main_~i~0)) (and (<= 1 ULTIMATE.start_main_~i~0) .cse0 .cse1 (<= 2000 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~n~0 1) .cse2))) [2018-10-24 11:56:45,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-24 11:56:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:56:45 BoogieIcfgContainer [2018-10-24 11:56:45,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:56:45,483 INFO L168 Benchmark]: Toolchain (without parser) took 4417.17 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -598.1 MB). Peak memory consumption was 147.4 MB. Max. memory is 7.1 GB. [2018-10-24 11:56:45,484 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 11:56:45,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 11:56:45,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.82 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 11:56:45,489 INFO L168 Benchmark]: Boogie Preprocessor took 23.65 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 11:56:45,491 INFO L168 Benchmark]: RCFGBuilder took 408.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:56:45,492 INFO L168 Benchmark]: TraceAbstraction took 3685.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. [2018-10-24 11:56:45,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.82 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. * Boogie Preprocessor took 23.65 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. * RCFGBuilder took 408.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3685.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 198.0 MB). Peak memory consumption was 198.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j + 1) && 4000 <= c1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((2000 <= c2 && 10000 <= c3) && n <= 1) && n <= j) && 4000 <= c1) || (((((2000 <= c2 && 10000 <= c3) && 2000 <= k) && 4000 <= c1) && n <= 1) && n <= j + 1)) || ((i <= 0 && n <= 0) && n <= j) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((i <= 0 && 0 <= k) && 2000 <= c2) && 10000 <= c3) && 4000 <= c1) && 0 <= i) || (((((1 <= i && 2000 <= c2) && 10000 <= c3) && 2000 <= k) && n <= 1) && 4000 <= c1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 136 SDtfs, 167 SDslu, 202 SDs, 0 SdLazy, 179 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 13 NumberOfFragments, 108 HoareAnnotationTreeSize, 4 FomulaSimplifications, 359 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 6486 SizeOfPredicates, 13 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 19/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...