java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 05:09:37,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 05:09:37,398 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 05:09:37,411 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 05:09:37,411 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 05:09:37,412 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 05:09:37,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 05:09:37,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 05:09:37,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 05:09:37,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 05:09:37,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 05:09:37,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 05:09:37,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 05:09:37,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 05:09:37,427 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 05:09:37,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 05:09:37,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 05:09:37,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 05:09:37,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 05:09:37,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 05:09:37,449 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 05:09:37,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 05:09:37,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 05:09:37,455 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 05:09:37,455 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 05:09:37,458 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 05:09:37,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 05:09:37,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 05:09:37,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 05:09:37,464 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 05:09:37,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 05:09:37,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 05:09:37,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 05:09:37,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 05:09:37,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 05:09:37,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 05:09:37,470 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 05:09:37,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 05:09:37,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 05:09:37,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 05:09:37,498 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 05:09:37,498 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 05:09:37,501 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 05:09:37,502 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 05:09:37,502 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 05:09:37,502 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 05:09:37,502 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 05:09:37,503 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 05:09:37,503 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 05:09:37,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 05:09:37,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 05:09:37,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 05:09:37,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 05:09:37,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 05:09:37,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 05:09:37,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 05:09:37,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 05:09:37,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 05:09:37,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 05:09:37,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 05:09:37,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 05:09:37,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 05:09:37,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 05:09:37,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 05:09:37,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 05:09:37,509 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 05:09:37,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 05:09:37,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 05:09:37,510 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 05:09:37,510 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 05:09:37,510 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 05:09:37,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 05:09:37,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 05:09:37,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 05:09:37,601 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 05:09:37,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 05:09:37,603 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-11-07 05:09:37,664 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e9cdba6/f499b35c436a40de8cec61a67a442404/FLAG3866b873b [2018-11-07 05:09:38,064 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 05:09:38,065 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-11-07 05:09:38,072 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e9cdba6/f499b35c436a40de8cec61a67a442404/FLAG3866b873b [2018-11-07 05:09:38,089 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92e9cdba6/f499b35c436a40de8cec61a67a442404 [2018-11-07 05:09:38,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 05:09:38,105 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 05:09:38,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 05:09:38,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 05:09:38,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 05:09:38,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465fd05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38, skipping insertion in model container [2018-11-07 05:09:38,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 05:09:38,154 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 05:09:38,380 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 05:09:38,385 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 05:09:38,410 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 05:09:38,428 INFO L193 MainTranslator]: Completed translation [2018-11-07 05:09:38,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38 WrapperNode [2018-11-07 05:09:38,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 05:09:38,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 05:09:38,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 05:09:38,430 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 05:09:38,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 05:09:38,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 05:09:38,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 05:09:38,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 05:09:38,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... [2018-11-07 05:09:38,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 05:09:38,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 05:09:38,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 05:09:38,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 05:09:38,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-07 05:09:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 05:09:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 05:09:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 05:09:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 05:09:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 05:09:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 05:09:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 05:09:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 05:09:38,985 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 05:09:38,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:09:38 BoogieIcfgContainer [2018-11-07 05:09:38,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 05:09:38,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 05:09:38,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 05:09:38,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 05:09:38,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:09:38" (1/3) ... [2018-11-07 05:09:38,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4de05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:09:38, skipping insertion in model container [2018-11-07 05:09:38,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:09:38" (2/3) ... [2018-11-07 05:09:38,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4de05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:09:38, skipping insertion in model container [2018-11-07 05:09:38,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:09:38" (3/3) ... [2018-11-07 05:09:38,993 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c [2018-11-07 05:09:39,004 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 05:09:39,012 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 05:09:39,032 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 05:09:39,081 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 05:09:39,081 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 05:09:39,081 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 05:09:39,081 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 05:09:39,082 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 05:09:39,082 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 05:09:39,082 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 05:09:39,082 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 05:09:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-07 05:09:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-07 05:09:39,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 05:09:39,110 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 05:09:39,112 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 05:09:39,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 05:09:39,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1560473904, now seen corresponding path program 1 times [2018-11-07 05:09:39,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 05:09:39,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 05:09:39,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,163 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 05:09:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 05:09:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 05:09:39,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 05:09:39,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 05:09:39,218 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 05:09:39,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 05:09:39,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 05:09:39,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 05:09:39,243 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-11-07 05:09:39,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 05:09:39,267 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2018-11-07 05:09:39,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 05:09:39,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-07 05:09:39,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 05:09:39,279 INFO L225 Difference]: With dead ends: 37 [2018-11-07 05:09:39,280 INFO L226 Difference]: Without dead ends: 17 [2018-11-07 05:09:39,287 INFO L604 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 [2018-11-07 05:09:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-07 05:09:39,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-07 05:09:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-07 05:09:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-11-07 05:09:39,331 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11 [2018-11-07 05:09:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 05:09:39,331 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-11-07 05:09:39,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 05:09:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-11-07 05:09:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-07 05:09:39,332 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 05:09:39,333 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 05:09:39,333 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 05:09:39,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 05:09:39,334 INFO L82 PathProgramCache]: Analyzing trace with hash -808267866, now seen corresponding path program 1 times [2018-11-07 05:09:39,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 05:09:39,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 05:09:39,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,335 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 05:09:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 05:09:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 05:09:39,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 05:09:39,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 05:09:39,433 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 05:09:39,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 05:09:39,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 05:09:39,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 05:09:39,435 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 3 states. [2018-11-07 05:09:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 05:09:39,504 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2018-11-07 05:09:39,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 05:09:39,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-07 05:09:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 05:09:39,506 INFO L225 Difference]: With dead ends: 29 [2018-11-07 05:09:39,506 INFO L226 Difference]: Without dead ends: 23 [2018-11-07 05:09:39,507 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 05:09:39,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-07 05:09:39,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2018-11-07 05:09:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-07 05:09:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2018-11-07 05:09:39,514 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 13 [2018-11-07 05:09:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 05:09:39,515 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2018-11-07 05:09:39,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 05:09:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-11-07 05:09:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-07 05:09:39,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 05:09:39,516 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 05:09:39,516 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 05:09:39,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 05:09:39,517 INFO L82 PathProgramCache]: Analyzing trace with hash -109903733, now seen corresponding path program 1 times [2018-11-07 05:09:39,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 05:09:39,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 05:09:39,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 05:09:39,519 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 05:09:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 05:09:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 05:09:39,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 05:09:39,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 05:09:39,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 05:09:39,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 05:09:39,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 05:09:39,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 05:09:39,800 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 5 states. [2018-11-07 05:09:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 05:09:40,009 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2018-11-07 05:09:40,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-07 05:09:40,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-07 05:09:40,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 05:09:40,010 INFO L225 Difference]: With dead ends: 36 [2018-11-07 05:09:40,010 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 05:09:40,011 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 05:09:40,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 05:09:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 05:09:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 05:09:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 05:09:40,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-11-07 05:09:40,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 05:09:40,013 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 05:09:40,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 05:09:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 05:09:40,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 05:09:40,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 05:09:40,147 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-07 05:09:40,147 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 05:09:40,147 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 05:09:40,147 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 05:09:40,147 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 05:09:40,147 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 05:09:40,147 INFO L421 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (<= (* 36893488151714070528 (div (+ (* 1431655765 main_~x~0) 4294967296) 4294967296)) (+ (* 12297829381041378645 main_~x~0) 12297829382473034411)) [2018-11-07 05:09:40,148 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed. [2018-11-07 05:09:40,148 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2018-11-07 05:09:40,148 INFO L421 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (<= (* 36893488151714070528 (div (+ (* 1431655765 main_~x~0) 4294967296) 4294967296)) (+ (* 12297829381041378645 main_~x~0) 12297829382473034411)) (and (<= 1 main_~y~0) (<= main_~y~0 1))) [2018-11-07 05:09:40,148 INFO L425 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2018-11-07 05:09:40,148 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 12 33) no Hoare annotation was computed. [2018-11-07 05:09:40,148 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-11-07 05:09:40,148 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point L16-2(lines 16 29) no Hoare annotation was computed. [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point L16-4(lines 12 33) no Hoare annotation was computed. [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-07 05:09:40,149 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true [2018-11-07 05:09:40,149 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed. [2018-11-07 05:09:40,150 INFO L425 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-07 05:09:40,150 INFO L425 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2018-11-07 05:09:40,150 INFO L425 ceAbstractionStarter]: For program point L7-2(lines 6 10) no Hoare annotation was computed. [2018-11-07 05:09:40,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 05:09:40 BoogieIcfgContainer [2018-11-07 05:09:40,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 05:09:40,163 INFO L168 Benchmark]: Toolchain (without parser) took 2059.17 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -769.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2018-11-07 05:09:40,165 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 05:09:40,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.21 ms. Allocated memory is still 1.6 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. [2018-11-07 05:09:40,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.11 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 05:09:40,167 INFO L168 Benchmark]: Boogie Preprocessor took 38.60 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 05:09:40,168 INFO L168 Benchmark]: RCFGBuilder took 491.55 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -824.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-07 05:09:40,169 INFO L168 Benchmark]: TraceAbstraction took 1176.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2018-11-07 05:09:40,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.21 ms. Allocated memory is still 1.6 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 25.11 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.60 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 491.55 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 774.4 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -824.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1176.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 16]: Loop Invariant Derived loop invariant: 36893488151714070528 * ((1431655765 * x + 4294967296) / 4294967296) <= 12297829381041378645 * x + 12297829382473034411 || (1 <= y && y <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 7 SDslu, 61 SDs, 0 SdLazy, 24 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, 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, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 13 NumberOfFragments, 43 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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...