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/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b6335f6 [2018-10-23 10:08:13,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 10:08:13,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 10:08:13,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 10:08:13,299 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 10:08:13,300 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 10:08:13,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 10:08:13,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 10:08:13,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 10:08:13,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 10:08:13,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 10:08:13,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 10:08:13,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 10:08:13,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 10:08:13,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 10:08:13,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 10:08:13,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 10:08:13,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 10:08:13,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 10:08:13,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 10:08:13,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 10:08:13,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 10:08:13,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 10:08:13,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 10:08:13,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 10:08:13,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 10:08:13,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 10:08:13,326 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 10:08:13,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 10:08:13,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 10:08:13,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 10:08:13,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-23 10:08:13,331 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 [2018-10-23 10:08:13,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 10:08:13,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 10:08:13,348 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 10:08:13,348 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 10:08:13,348 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 10:08:13,348 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 10:08:13,349 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 10:08:13,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 10:08:13,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 10:08:13,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 10:08:13,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 10:08:13,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 10:08:13,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 10:08:13,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 10:08:13,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 10:08:13,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 10:08:13,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 10:08:13,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 10:08:13,353 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 10:08:13,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 10:08:13,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 10:08:13,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 10:08:13,354 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 10:08:13,354 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 10:08:13,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 10:08:13,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 10:08:13,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 10:08:13,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 10:08:13,426 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 10:08:13,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 10:08:13,489 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14661ab6c/19c4df33aeed474da27102f3fc49f58d/FLAGf58584194 [2018-10-23 10:08:13,938 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 10:08:13,939 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 10:08:13,946 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14661ab6c/19c4df33aeed474da27102f3fc49f58d/FLAGf58584194 [2018-10-23 10:08:13,963 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/14661ab6c/19c4df33aeed474da27102f3fc49f58d [2018-10-23 10:08:13,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 10:08:13,976 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 10:08:13,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 10:08:13,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 10:08:13,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 10:08:13,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:08:13" (1/1) ... [2018-10-23 10:08:13,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f32220e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:13, skipping insertion in model container [2018-10-23 10:08:13,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:08:13" (1/1) ... [2018-10-23 10:08:13,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 10:08:14,026 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 10:08:14,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 10:08:14,255 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 10:08:14,287 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 10:08:14,306 INFO L193 MainTranslator]: Completed translation [2018-10-23 10:08:14,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14 WrapperNode [2018-10-23 10:08:14,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 10:08:14,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 10:08:14,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 10:08:14,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 10:08:14,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 10:08:14,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 10:08:14,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 10:08:14,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 10:08:14,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... [2018-10-23 10:08:14,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 10:08:14,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 10:08:14,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 10:08:14,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 10:08:14,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 10:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 10:08:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 10:08:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 10:08:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 10:08:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 10:08:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 10:08:15,028 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 10:08:15,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:08:15 BoogieIcfgContainer [2018-10-23 10:08:15,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 10:08:15,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 10:08:15,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 10:08:15,033 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 10:08:15,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:08:13" (1/3) ... [2018-10-23 10:08:15,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9fcc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:08:15, skipping insertion in model container [2018-10-23 10:08:15,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:08:14" (2/3) ... [2018-10-23 10:08:15,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9fcc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:08:15, skipping insertion in model container [2018-10-23 10:08:15,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:08:15" (3/3) ... [2018-10-23 10:08:15,037 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-10-23 10:08:15,047 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 10:08:15,056 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 10:08:15,075 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 10:08:15,110 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 10:08:15,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 10:08:15,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 10:08:15,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 10:08:15,111 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 10:08:15,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 10:08:15,111 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 10:08:15,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 10:08:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-10-23 10:08:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-23 10:08:15,139 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 10:08:15,140 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 10:08:15,142 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 10:08:15,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 10:08:15,149 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-10-23 10:08:15,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 10:08:15,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:15,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 10:08:15,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:15,211 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 10:08:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 10:08:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 10:08:15,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 10:08:15,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 10:08:15,579 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 10:08:15,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 10:08:15,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 10:08:15,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 10:08:15,598 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-10-23 10:08:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 10:08:22,258 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2018-10-23 10:08:22,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 10:08:22,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-10-23 10:08:22,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 10:08:22,269 INFO L225 Difference]: With dead ends: 62 [2018-10-23 10:08:22,269 INFO L226 Difference]: Without dead ends: 30 [2018-10-23 10:08:22,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 10:08:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-10-23 10:08:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-10-23 10:08:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-10-23 10:08:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2018-10-23 10:08:22,310 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 15 [2018-10-23 10:08:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 10:08:22,311 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2018-10-23 10:08:22,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 10:08:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-10-23 10:08:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-23 10:08:22,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 10:08:22,313 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 10:08:22,313 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 10:08:22,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 10:08:22,313 INFO L82 PathProgramCache]: Analyzing trace with hash -386324053, now seen corresponding path program 1 times [2018-10-23 10:08:22,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 10:08:22,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:22,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 10:08:22,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:22,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 10:08:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 10:08:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 10:08:23,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 10:08:23,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 10:08:23,728 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 10:08:23,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 10:08:23,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 10:08:23,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 10:08:23,731 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 4 states. [2018-10-23 10:08:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 10:08:28,440 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2018-10-23 10:08:28,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 10:08:28,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-10-23 10:08:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 10:08:28,442 INFO L225 Difference]: With dead ends: 60 [2018-10-23 10:08:28,442 INFO L226 Difference]: Without dead ends: 35 [2018-10-23 10:08:28,443 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 10:08:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-23 10:08:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-10-23 10:08:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-23 10:08:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2018-10-23 10:08:28,451 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 16 [2018-10-23 10:08:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 10:08:28,451 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2018-10-23 10:08:28,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 10:08:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-10-23 10:08:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-23 10:08:28,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 10:08:28,453 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 10:08:28,453 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 10:08:28,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 10:08:28,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1395322531, now seen corresponding path program 1 times [2018-10-23 10:08:28,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 10:08:28,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:28,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 10:08:28,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 10:08:28,455 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 10:08:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 10:08:31,190 WARN L179 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 19 [2018-10-23 10:08:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 10:08:31,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 10:08:31,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-23 10:08:31,463 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 10:08:31,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-23 10:08:31,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-23 10:08:31,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-23 10:08:31,465 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand 4 states. [2018-10-23 10:08:44,245 WARN L179 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-23 10:08:48,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 10:08:48,688 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2018-10-23 10:08:48,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 10:08:48,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-10-23 10:08:48,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 10:08:48,690 INFO L225 Difference]: With dead ends: 59 [2018-10-23 10:08:48,690 INFO L226 Difference]: Without dead ends: 0 [2018-10-23 10:08:48,692 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 10:08:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-23 10:08:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-23 10:08:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-23 10:08:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-23 10:08:48,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-10-23 10:08:48,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 10:08:48,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-23 10:08:48,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-23 10:08:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-23 10:08:48,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-23 10:08:48,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-23 10:08:52,919 WARN L179 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 29 [2018-10-23 10:08:59,607 WARN L179 SmtUtils]: Spent 6.61 s on a formula simplification that was a NOOP. DAG size: 29 [2018-10-23 10:08:59,617 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-23 10:08:59,617 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-23 10:08:59,617 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-23 10:08:59,617 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-23 10:08:59,617 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-23 10:08:59,618 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-23 10:08:59,618 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-23 10:08:59,618 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-10-23 10:08:59,618 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-10-23 10:08:59,618 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-10-23 10:08:59,619 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (or (<= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ .cse0 (div (+ .cse0 (+ (* 2 main_~main__x~0) 2)) 3) 2)) (* 2 (div (+ (* 2 (div (+ main_~main__x~0 (- 3)) 4294967296)) (+ main_~main__x~0 3)) 3))) (let ((.cse1 (* 1431655765 main_~main__x~0))) (<= .cse1 (+ (* 4294967296 (div (+ .cse1 (- 2863311531)) 4294967296)) 4294967295)))) [2018-10-23 10:08:59,619 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-10-23 10:08:59,619 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-10-23 10:08:59,619 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-10-23 10:08:59,619 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-10-23 10:08:59,619 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-10-23 10:08:59,620 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-10-23 10:08:59,620 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-10-23 10:08:59,620 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-10-23 10:08:59,620 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-10-23 10:08:59,620 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-10-23 10:08:59,620 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-10-23 10:08:59,621 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-10-23 10:08:59,621 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-10-23 10:08:59,621 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (or (<= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ .cse0 (div (+ .cse0 (+ (* 2 main_~main__x~0) 2)) 3) 2)) (* 2 (div (+ (* 2 (div (+ main_~main__x~0 (- 3)) 4294967296)) (+ main_~main__x~0 3)) 3))) (let ((.cse1 (* 1431655765 main_~main__x~0))) (<= .cse1 (+ (* 4294967296 (div (+ .cse1 (- 2863311531)) 4294967296)) 4294967295)))) [2018-10-23 10:08:59,621 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-10-23 10:08:59,621 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-10-23 10:08:59,622 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-10-23 10:08:59,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:08:59 BoogieIcfgContainer [2018-10-23 10:08:59,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 10:08:59,638 INFO L168 Benchmark]: Toolchain (without parser) took 45663.33 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -674.3 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2018-10-23 10:08:59,640 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-23 10:08:59,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.35 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. [2018-10-23 10:08:59,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.37 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. [2018-10-23 10:08:59,642 INFO L168 Benchmark]: Boogie Preprocessor took 46.10 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. [2018-10-23 10:08:59,642 INFO L168 Benchmark]: RCFGBuilder took 646.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-10-23 10:08:59,644 INFO L168 Benchmark]: TraceAbstraction took 44607.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 86.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2018-10-23 10:08:59,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 330.35 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 27.37 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 46.10 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 646.10 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 723.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -771.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44607.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 86.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: main__x / 4294967296 + (main__x / 4294967296 + (2 * main__x + 2)) / 3 + 2 <= 2 * ((2 * ((main__x + -3) / 4294967296) + (main__x + 3)) / 3) || 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x / 4294967296 + (main__x / 4294967296 + (2 * main__x + 2)) / 3 + 2 <= 2 * ((2 * ((main__x + -3) / 4294967296) + (main__x + 3)) / 3) || 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 44.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 28.6s AutomataDifference, 0.0s DeadEndRemovalTime, 10.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 87 SDtfs, 18 SDslu, 137 SDs, 0 SdLazy, 60 SolverSat, 6 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 19 NumberOfFragments, 118 HoareAnnotationTreeSize, 10 FomulaSimplifications, 31 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 5023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...